1⃣️副词：用来修饰动词、形容词、副词，也可修饰短语、从句和句子。副词告诉我们关于动词的更多信息。
He speaks loudly.(How does he speak?)（修饰动词）
He is really handsome.（修饰形容词）
It works very well.(修饰副词）
2⃣️副词种类：
1）表方式的副词：主要修饰动词，回答how,如：He speak slowly.（How does he speak?）
2）表地点的副词：主要修饰动词，回答where,如：Please sit here.（Where shoud I sit？）
3）表地点的副词：主要修饰动词，回答where,如：Please sit here.（Where shoud I sit？）
4）表时间的副词：主要修饰动词，回答when,如：He came yesterday.（When did he come?）
5）表程度的副词：修饰动词、形容词或其他副词，回答how much,to what degree,如：She entirely agrees with him.（How much does she agree with him?）
Mary is very beautiful.（To what degree is mary beautiful?）
3⃣️位置：可在句前,句中或句尾
Now I will read a book.
I often read books.
I read books carefully.
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