《兰桂姬九年英语语法大全1.0》第8章:介词

《兰桂姬九年英语语法大全1.0》第8章 :介词

一,介词的分类:

1,简单介词:at在...处/时,in在...里面,on在...上面

2,合成介词:inside在...里面,onto朝/向...,into进入...

3,双重介词:from behind从...后面,from among从...中间,until after直到...后

4,短语介词:at the back of在...后面,in front of在...前面

5,V-ing介词:including包括,considering考虑到,regarding关于

二,根据介词的意义分类:

1,时间介词:about大约,for长达,by到...为止,since自从,during在...期间

2,地点/方位介词:around在...周围,over在...上方,close to靠近,out of从...出来

3,手段/施动者介词:like像,with用,in用,by使用,被...

4,其他含义介词:of具有...的性质,instead of而不是,except除...外

三,介词的宾语:

1,名词/名词短语:let's go for a walk/I live near the city center

2,代词:He's standing in front me

3,形容词:Her pronunciation is far from perfect她的发音远不是完美的

4,动名词:He's good at drawing

5,过去分词:I took it for granted that she is good(V-ed作介宾仅限regard...as/take...for granted结构)

6,不定式:

① I had no choice but to try除了尝试我别无选择(只有表“除...外”的but/except等介词能接不定式)

② I did nothing but cry我只是哭(其他意义的but,前面有行为动词do时,不定式不用to)

1,疑问句+不定式:The seminar is about how to improve English

2,副词:I didn't know it until recently直到最近我才直到此事

3,数词:He was among the first to arrive他是第一批到的/Four from ten leaves six

4,介词短语:She won't go home until after the exam

5,从句:He has no special fault except that he smokes too much/We're going to talk about when we'll leave

四,介词短语的句*功法**能:

1. 作表语:He is in the office

2. 作补足语:I found him in the office/ He is considered as the greatest leader in China

3. 作定语:the man in the office is my father / Have you got the answers to these questions

4. 作介词宾语:I saw her from across the street

5. 作状语:

① Can you say it in English方式状语

② Because of the traffic jam,I was late for class 原因状语

③ I will see you at your office 地点状语

④ The final examinations take place in early June时间状语

⑤ He was too careless,In a word,he made too many mistakes句子状语

五,介词的位置:介词一般放在宾语前,但下列情况通常后置

1. 介词的宾语为疑问代词时:What are you interested in? /Whom did he talk to just now?

2. 介词出现在感叹句中时:What great trouble we are in

3. 介词的宾语为关系代词that时:All that I am interested in is traveling

4. 某些定语从句中:This is the school in which we studied / The children who you are going to look after are under six

5. 被动句中作谓语的短语动词中的介词:The sick and the old here are taken good care of /All these things will be talked about next time

6. 其他情况:She is a nice girl to work with / The music is worth listening to once again

六,介词的用法:

1,At一维:

① At night(泛指晚上)/at 7:30在7点半/at the door在门口/ at Christmas在圣诞节期间/at Christmas Day在圣诞节这一天/at Christmas Eve圣诞前夕/ at noon在中午/at midnight在午夜/at that time在那时/at breakfast在吃早餐时/at first首先/at last最后/at the end of在...最后/at the end最终/at the moment此刻/at daybreak-dawn在黎明/at present目前(具体时刻前/把某一段时间看作某一刻/在节假日前)

② I bought the book at a high price/I bought the book for 100$(at+adj+price:以...的价格;for+具体价格)

③ At the weekend(英:具体某个周末)/ at weekend(英:泛指每个周末

④ At the beginning of the class i was excited开课前我很兴奋

⑤ At the end of the class i was excited课后我很兴奋

动介搭配

⑥ He will arrive at school soon(较小地点:学校/公园/动物园...区别arrive in)

⑦ The ship will call at Changde船将短暂停靠常德(短暂访问=call on)

⑧ They throw/run/rush/shout at him他们向他投掷/冲/冲/吼(带有恶意:区别to)

⑨ I was surprised/amazed/annoyed/astonished/frustrated at the news(原因:情感变化的原因,因听到/看到而...)

2,On二维/beneath:

① On ... the...evening(具体的某天晚上,一般有定语修饰)/on the arrival到达后马上.../On Monday在星期一/on the following day在第二天/on May the first在五月一日/on New Year’s Day在元旦/on Monday morning在星期一早晨/on a rainy day在一个雨天/on a cold day在一个冷天/on the following evening在第二天晚上/on the morning of April the first在四月一日上午(具体的日期,星期几/节日,具体某一天/某一天的早晨/中午/晚上等,一般有定语修饰)

② On the weekend(美:具体某个周末)/on weekend(美:泛指每个周末)/on weekdays在工作日(周一到周五)

③ There is a apple on the tree树上长出了一个苹果/there is a picture on the wall/he is lying on his side/back/stomach他正侧卧/仰卧/俯卧着(在...上面:物体表面接触)

④ She hid the letter beneath a pile of papers她把信藏在一堆报纸下面(在...下面:物体表面接触)

⑤ I didn't have any money on me我身上没带钱(身边带有)

⑥ This meal is on me这顿饭我请(由...付钱)

⑦ On their return they discovered that their house had been burgled他们回来之后发现家被盗了(在...之后)

⑧ There are no women on the team/the committee没有女性在队里/委员会中(组织/团体成员:英国英语用in)

⑨ The capital is located on the river/our house is on Renmin Street/the coast(挨着/沿着边界)

⑩ What do mice live on老鼠以什么为食?(以...为食/卫生/为动力)

⑪ He accidentally set his bed on fire/He's on holiday this week/Crime is on the increase again(正在进行)

⑫ Don't worry,he has(got)nothing on us(抓住某人把柄)

⑬ He spent much on a hat他花了很多钱买这顶帽子(花钱/挣钱)

⑭ He went to Changde on his own他只身去了常德(独自:区别of one's own)

⑮ Russia is/lies on the north of China(相邻/接壤)

⑯ The hotel is on the lake旅馆在湖边(紧挨着:河畔/路边/沿着某物的边缘,注意比off)

⑰ I’m on the way to your home 我在去你家的路上

⑱ The dress looks nice on you这件大衣你穿上很好看(衣服穿在人身上,区别in)

⑲ You look worried,what’s on your mind ?你看起来很忧虑,怎么了?(压在心头)

⑳ Please come to school on time 请准时到校(区别in time)

动介搭配:

21 Both sides agreed on/upon these terms双方都同意这些条件

22 The staff who waited on us at dinner were excellent晚餐给我们服务的人员非常优秀(伺候某人)

23 I’m going to call on my best friends(短暂访问:= call at)

24 I dropped in on Diao on my way home from school我在放学回家时顺路拜访了刁(顺便拜访:同drop in at/drop by)

3,In三维/after/within:

① In the evening在晚上(泛指傍晚:一天的一部分 in the night(一天的一部分:过去时间有关,很少用)/in fifty minutes(搭配时间长度) in August在八月/in 2020/in spring/ in one’s life/in the 21st century/ in three days三天后/in the future将来/in the daytime在白天/in winter在冬季/(较长的时间/将来或从现在算起的一段时间之后/世纪/年/季节/月/周/某晌)

② He will go abroad in a few weeks/He went abroad after a few weeks(在...以后:in以现在为起点/after以过去为起点)

③ The meeting will last in 3 hours/The meeting will end after 3 p.m(in/within:在...(时间)以内/after:在某个时间点之后)

④ I can finish it within 3 hours(within:在...时间之内)

⑤ It should be written in ink应该用墨水来写(某种颜色/笔)

⑥ You look nice in the dress你穿这件外衣很好看(穿着:人在衣服里面,区别on)

⑦ Can you speak in English?你能用英语说吗?(语言)

⑧ There is a bird in the tree树上飞来一只鸟/he is lying in bed他正躺在床上(在...上:占去某物整体的一部分,不强调接触)

⑨ In the end the class was over最终课终于结束了(不接of短语)

⑩ The class was over in the beginning课还没开始就结束了/Everyhing is hard in the beginning万事开头难(不接of短语)

⑪ The tree is in front/behind the house树在房子前面/后面(房外)/the tree is in the front/back of the house树在房前(房内)

⑫ Mrs.Smith finds it hard to clear up the mess,as her children are always in the way whenever she tries to(挡路/碍事)

⑬ I agree with you in a way 在某种程度上,我同意你

⑭ Changde is/lies in the north of Hunan常德在湖南的北部(某地范围之内)

⑮ Do you have anyone in particular in your mind ?你心中有没有确定的人选?(在某人心里)

⑯ He will come to school in time 他会及时到校的(区别on time)

⑰ He is strict in his work他对工作要求很高

⑱ In the light of his remarks,we rejected her offer鉴于/考虑到他的评语,我们拒绝了他的提议(区别by the light of)

动介搭配:

⑲ He has arrived in Changde(较大的地点:常德/北京/纽约...区别arrive at)

⑳ The accident resulted in the death of two people这场意外导致2人死亡(区别result from)

21 The host filled the guests' glasses in turn主人依次给来宾斟酒

22 I give him a gift in return 作为回报我给了他一个礼物

23 He is very strict with them他对他们非常严格

4,Over

① The brige over the river河上的桥(方位:正上方)

② She hasn't changed much over the years这些年她没什么大的变化(时间:连续状态/行为,侧重历经时间的变化)

③ Shall we discuss it over a drink?我们一边喝饮料一边讨论好吗?(时间:一边...一边...)

④ I saw an old man walking over the street(方位:强调从一边到另一边/越过某一高度)

⑤ The dog jumped over the fence and ran away(方位:强调从一边到另一边/越过某一高度)

⑥ He put his coat over the girl lest she catch cold(衣服在另一件衣服的外面,区别in/on)

5,To/toward:

① Sometimes proper answers are not far to seek to food safety problem有时寻求食品安全的答案并不遥远(solution/key/answer/reply entrance/access/attitude/接to等引导短语作定语)

② To one's taste/to one's measurement/to the music(按照)

③ I’m extremely grateful/thankful to all the teachers for their help(friendly/grateful/thankful常接to)

④ Japan is/lies to the east of China日本位于中国的东面(某地范围之外,不相邻)

⑤ He is famous/known to us对我们来说他是有名的(区别famous for/as)

⑥ Your name is familiar to me你的名字我是熟悉的(区别familiar with)

⑦ All this was owing to/due to his good luck(因为:表语)

⑧ He was out of work owing to/due to a physical injury(因为:状语)

⑨ That Shelly became a poet may have been due to his mother's influence(因为:状语,一般不放句首)

⑩ I was well again,thanks to the doctor因为那位医生,我又好了

动介搭配:

⑪ She agree to marriage她同意结婚(同意/同意协作对方的建议/安排/计划...)

⑫ They offered me a cup of milk = They offered a cup of milk to me(同give)

⑬ They throw/run/rush/shout to him他们向他扔过去/跑去/冲/喊话(只表示方向,没有恶意,区别at)

6,Off:

① He jumped off the desk/horse他从桌子/马上跳下来(脱落某个物体)

② The poor man lived in a lonely house off the main road(离路/岸不远,但有一定距离,注意比on)

7,Along/down/up沿着:

① We often take a walk along/down/up the road我们经常沿着这条路散步(up:由下而上,由乡下到城市,从南到北,从沿海到内地,从商业区到住宅区;down:与up相反)

② The house is 100 metres up/down the river房子位于这条河的上游/下游100米处

③ Who’s the man coming up/going down the road?(up:离说话人而去;down:朝说话人而来)

8, during:除了具有in表示时间段的功能外,还可指某一项活动过程中

① During the night/during the fire在发生火灾期间/during the meeting/during the meal

② I went to Changde for two weeks during the summer(四季:特指)

③ I will go to Sanya in winter我会在冬天去三亚(四季:泛指,不确定是哪个冬天)

④ They work during the night and work by day他们夜间工作白天睡觉(贯穿某段时间/时间段内的某个时候)

⑤ I will make a stay in Changde during the summer我会在夏天呆在常德(表事件的名词stay/visit/meal...宜用)

9, for:

① They have lived in China for two years/They lived in China for two years/They will live in China for two year(时间段:现在完成时/过去时/将来时可用)

② They walked for twenty miles yesterday(距离)

③ He was put into prison for murder(原因)

④ i'm sorry for what i said to you(原因:famous/punish/praise/thank/blame...连用)

⑤ I am for the plan,but he is against it(赞成)

⑥ It is important for me to do this(对...来说)

⑦ It seemed as if they were heading for the train station(朝着...方向)

⑧ He sold the house for quite a lot of money/he will repair my car for 300$(交易:和pay/sell/buy/exchange等词连用)

⑨ He made a kite for me/he bought a book for me(双宾语中用for的动词)

⑩ He is famous for his greatness他因伟大而文明(区别famous to/as)

10since+时间点:“自从...以来”表示自过去某时延续至今的一段时间,常用现在完成时

① She has worked here since 1999

② I haven't written home since National Day

③ We haven't seen each other since three years ago

11,Above/below:

① The river is below the hill河在山下面(在...下方:不强调是否垂直,可指温度/海拔等刻度)

② The hill is above the river山在河的上方(在...上方:不强调是否垂直,可指温度/海拔等刻度)

12,Under/over:

① The bridge is over the river河上有座桥(在...正上方:垂直-不直接接触)

② The river is under the bridge桥下有条河(在...正下方:垂直-不直接接触)

③ Put a clean cloth over the cakes(覆盖在某物上面)

④ The car went over the cliff车掉落了悬崖(从高出落下)

13,Between/among:

① The house stands between two farms房子位于两个农场之间(2者之间;2+强调多者间相互独立性)

② The house stands among farms房子位于农场之间(3或3+人/物,整体)

14,across,through,past,over,across/throughout:

① Be careful while walking across the street(表面横穿:马路/河流/陆地)

② He lives across the road他住在马路对面(在...对面)

③ Across/Throughout the world,people are praying for peace(遍及)

④ Walk through the gate,and you'll see the rest room(空间内穿过:森林/隧道/窗户/人群)

⑤ Our bus drove past the Great Hall of the People(经过:某物体旁边经过)

⑥ The war was lost through bad organization(原因:局部而影响全局的原因)

15,with:

① What can i cut the cake with?(使用工具)

② You can see it with your own eyes(有形的工具:身体部位)

③ You know.Bob is a little slow in understanding,so...-So, I have to be patient with him(对...有耐心)

④ With regard to the party on July 1st,I shall be pleased to attend(关于...)

⑤ The wine industry in the area has developed in a special way,with little foreign ownership(具有)

⑥ He was engaged to help with the writing他也参与到帮助写作上来/he still has a problem with money他手头还是很紧/he has trouble with his eyes他的眼镜出现不适(+ help/problem/trouble...)

⑦ They started the day with a swim他们那天一开始先游泳/he ended the play with a song他以一首歌结束了这出剧(end/begin/start...+)

⑧ He is familiar with the procedure他对流程很熟悉(区别familiar to)

动介搭配:

⑨ I don't agree with you(持同一观点)

⑩ The weather doesn't agree with me这种天气不适合我(食物/天气/工作)

⑪ They provide us with food = They provide food for us

⑫ They present/supply us with food = They present/supply food to us

⑬ He was shaking with anger(原因:生理/情感上的原因引起行为/外表变化,区别at)

16,by/before:都可表示“在...之前”,但by含有“最晚不迟于...,到...为止”的意思,如by后是将来的时间,则句子用将来时或将来完成时;若是过去的时间,则句子用过去完成时。By含当日;before不含当日。

① You can get a taxi by calling this number你可以 通过 拨打这个号码打车(方式:通过)

② We went in by/through the front door(方式:通过)

③ Do you wish to be paid by cash or by cheque?(方式:通过)

④ I refuse to live by their rules我拒绝 按照 他们的规则生活(方式状语)

⑤ The floor space measured ten metres by ten地板面积是10米乘以10米(计量)

⑥ I travelled by night and rested by day我夜间旅行,白天休息(时间状语)

⑦ By the time Jack returned home,his son had graduated from college(真题: by+过去时=>过去完成时)

⑧ The construction of the two new railway lines has completed by now(真题:by+now=>现在完成时)

⑨ By this time of 2025,I will have finished the masterpiece(真题:by+将来时间=>将来完成时)

⑩ He will be a teacher by the time he is twenty(主将从现:by the time引导时间状从,一现=将来)

⑪ By the time you have finished this book,your meal will get cold(主将从现:现在完成时强调先后动作)

⑫ As is often the case with children, Amy was better by the time the doctor arrived (=at the time,As关系代词=下划线那句话,by引导时间状语,不一定都是用完成时)

⑬ They are playing by the sea他们在 靠近 海边的地方玩耍

⑭ I’ll come back by ten o’clock我会 在十点前 回来(by+时间点:“在...以前,不迟于”)

⑮ The machine will be repaired by Diao机器将被刁修理(被动语态)

⑯ By the light of a candle she was reading借着蜡烛的光线她在读书(区别in the light of)

⑰ I would be back before 6:00 我会在6点前回来(在...前:不包括6点)

⑱ Supper will be ready by 6:00晚餐将在6点前准备好(在...前:包括6点)

⑲ The deadline is Friday, so you have to finish it by Friday你必须在周五前完成(截止日期:“不迟于...”含Friday当日)

动介搭配:

⑳ Drop by and pick up that book sometime(顺便拜访:同drop in on/drop in at someplace)

注意:

21 by+交通工具的可单:其中名词前不加任何修饰语:by bike/by bus...

22 take/catch/in/on+冠词/名词所有格/形容词性物主代词等+交通工具的可单:take a bus/take a train/on a bus/in Rosa's car...

23 by+交通线路的名词”其中名词为可单/不可单,且前无任何修饰语:by air/by sea...

17,Beside/besides/except/except for/but/except that...

① He is beside the door他在门旁边

② They went to Changde besides me除了我以外,他们也都去了常德(追加关系:我和他们都去了)

③ They went to Changde except me除了我,他们都去了常德(剔除关系:只有我没有去)

④ Nobody but/except you knows the city well除了你,没有人了解这个城市(只有你非常了解这座城市)

⑤ Who but/except you should be blamed for the mistake?除了你,谁应该为此感到羞愧?(只有你应感到羞愧)

⑥ The bus is empty except for two passengers除去两名乘客公交就空了(“除了...之外”,但对某种基本情况进行具体的,细节方面的修正,其后所接的词同句子的主语不是同类的,指从整体中除去一个细节/方面)

⑦ Except/except for me,they all went to Changde除了我,他们都去了常德(句首可互换,但except通常不用句首)

⑧ She is quite attractive except that she is a little short除了矮点外,她还是相当吸引人的(except that只跟句子)

18,Against:

① Are you for or against the plan?你是赞成还是反对这个计划?

② The evidence is against him证据对他不利

③ Put the piano there,against the wall把钢琴放那边,靠着

④ The pine trees are black against the sky在天空的映照下,那些松树是黑色的

⑤ We bought medicine against the Covid我们买了药预防新冠

19,As:

① Let’s learn to use the problem we are facing as a stepping stone to future success(真题:作为...)

② There at the door stood a girl about the same height as mine(真题:=as my height)

③ “you can't judge a book by it's cover,” as the old saying goes.(真题:谚语“俗话说...”)

④ He is famous as a writer他因是一名作家而有名(区别famous to/for)

20,Beyond:

① The sea is beyond the hill大海在山的那边(介词)

② Some shops keep open beyond midnight有些商店营业到半夜以后(介词)

③ These were matters beyond his understanding这些事情超出了他的理解范围(介词)

④ She was really touched beyond words她确实感动得无以言表(介词)

⑤ I know nothing beyond what he told me除了他告诉我的以外,别的我都不直到(介词)

⑥ He didn't believe in people living

⑦ He didn't believe people can live beyond 100他不相信人能活到100岁以上(介词)

⑧ He crossed the mountain and found people living in the valley beyond他翻过这座山发现了在远处山谷生活的人们(副词:远处地)

21,From:

① He is far from well他根本谈不上健康(be far from:远非,绝不)

② She is anything but a beauty她一点也不漂亮(anything but:根本不,but翻译为“除了”

动介搭配:

③ He died from murder他死于谋杀(外部原因:战争/灾难/谋杀)

④ I haven't heard from her for a long time我好久没收到她的来信/电话了

⑤ Wine is made from grapes葡萄酒是葡萄酿的(看不出原材料:区别be made of/make out of)

⑥ Apart from English,he has a good command of Russian and French除英语外,他还精通俄语和法语(=besides)

⑦ He has no interests,apart from his work他除了自己的工作外,没什么兴趣爱好(=except)

⑧ it's a good paper,apart from a few spelling mistakes这是一篇好论文,除了有几处拼写错误外(=except for)

⑨ I’m tired from the long flight长时间飞行我累了(因...而劳累:区别be tired of)

22,Of:

① He smells of tabacco他身上带有烟味/the book is of great benefit to me这本书对我来说很重要(of+名词=形容词)

② They cleared the land of trees他们清除了那块地上的树/the accident deprived her of a normal life意外夺去了她的正常生活/she was happy to be relieved of this burden她很高兴卸掉了这个包袱(of + rob/strip/rid...连用= “除去,剥夺,清除”)

③ He accused me of selling the file illegally/I assured you of my full support for your plan/I convinced him of my innocence/it reminded me of the mistakes I had made before/They suspected him of murder/they informed us of their decision(of后=直接宾语)

④ He asked a favor of me他求我一件事/the parents expected/demanded too much of him父母对他期望过高(of后=间接宾语)

⑤ He has a car of his own他有一辆属于自己的车(属于某人自己的:区别on one's own)

⑥ He asked the question out of curiosity(原因:出于...)

⑦ Because of my bad leg,I couldn't walk so fast(由于/因为)

⑧ As a result of the flood,thousands of people lost their homes(由于/因为)

⑨ The flight was postponed on account of bad weather(由于/因为)

动介搭配:

⑩ He died of a heart attack他死于心脏病(内在原因:疾病/衰老/自然死亡,区别die from)

⑪ What will become of those refugees ?什么将 落在 那些难民身上?/the course consists of ten module s课程包含10个板块(不及物动词+of=及物动词)

⑫ I heard of the man’s heroic deeds我听说过这个人的英雄事迹(听说过:知道某人/事的存在,区别hear from)

⑬ The box is made of paper盒子是纸做的(看得出原材料:区别be made from)

⑭ We make bottles(out)of glass我们用玻璃做瓶子(看得出原材料:)

⑮ Make her jackets out of this gown用这件大褂给她做两件上衣

⑯ What do you make out of it?你怎么理解它?

⑰ The accident resulted from his miss这场意外是因他的失误而发生的(由...造成:区别result in)

⑱ I’m tired of having to pretend all the time我讨厌老得假装(厌烦:=be sick of/be fed up with,区别be tired from)

23,Until(till):直到...为止,until可放句首,till通常不可以

① You must wait for him until/till tomorrow”等他”持续到明天(wait:延续性动词,肯定,until/till在句后时可互换)

② He didn't leave until tomorrow”没有离开”持续到明天(leave:非延续,否定,只能用until)

24,Other than/rather than:

① The shoes are comfortable rather than pretty这些鞋是穿起来舒服,而不是漂亮

② Nobody’s here other than me除了我,这里没人(=excpet)

25,Despite/in spite of/regardless of:都接名词性成分(名词/动名词/名词性从句等)

① The plane came down safely despite/in spite of the mist(尽管:despite更严谨,但意思没有区别)

② He did it in spite of/despite the fact that the result is not good(尽管:接句子使用,that后是同位语从句)

③ I shall go regardless of the weather无论天气好坏我都去(尽管:客观上无法避免的事实和不利的条件)

26,Like:“像”是介词;“喜欢”是动词;what be...like询问外貌/品质/性格/成就等内在

① To argue with him is like beating the air和他辩论是白费力气(介词:像)

② He likes his tea neither too hot nor too cold他喜欢/想要不冷不热的茶(动词:喜欢/想要)

③ What’s the weather like today?今天天气怎么样?

④ what's your sister like?你姐姐怎么样?-She is kind她人很好

⑤ What does your sister look like?你姐姐长什么样?-She is tall and beautiful

七,介词的省略(只在特殊的表达或固定搭配中可以省略)

1,in的省略

① Be busy(in)doing sth忙于做某事

② have difficult或trouble(in)doing sth做某时有困难

③ (in)this/that way

④ spend...(in)doing

⑤ have a good time(in)doing sth

⑥ waste no time(in)doing sth

2,on的省略(口语表星期几,具体某一天的词前可省)

① We’ll see you(on)Tuesday

② I stay at home(on)Sunday

③ I remember clearly that I lost my way(on)that day

3,for的省略(for+时间段的for在口语中有时省略,尤其在肯定句中,句首和否定句不能省略)

① The rain lasted(for)a whole afternoon

② He has been waiting(for)three hours

③ We haven't seen each other for a long time

4,to的省略(有些动词后跟两个宾语,当间接宾语放在后面时,前面通常都由介词to,在被动语态中,直接宾语变主语时to常省略,write to sb中的to在口语中也常省略)

① These flowers are going to be given(to)each winner

② How often do you write(to)your parents

5,不用介词的时间的短语中(this,that,next,last,one,every,each,some,any,all开头的)

This morning/that day/last month/next week/one day/every week/each week/any day/some day/all day

《兰桂姬九年英语语法大全1.0》第8章:介词