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新概念英語一冊語法總結(jié)一． 時(shí)態(tài)：一般現(xiàn)在時(shí)，現(xiàn)在進(jìn)行時(shí)，一般過去時(shí)，現(xiàn)在完成時(shí)，一般將來時(shí)，過去進(jìn)行時(shí)，過去完成時(shí)，過去將來時(shí)1. 一般現(xiàn)在時(shí)表示一般性，經(jīng)常性的動作或一般性事實(shí)。■ 含有be動詞的句子He is a teacher.The girl is very beautiful.Tim and Jack are students.★變疑問句將be動詞移到句首Is he a teacher?Is the girl very beautiful?Are Tim and Jack students?★變否定句在be動詞后面加notHe is not a teacher.The girl is not very beautiful.Tim and Jack are not students.★肯定回答及否定回答Yes, he is. No, he is not.Yes, she is. No, she is not.Yes, they are. No, they are not.■ 不含有be動詞的句子，即含有一般動詞的句子第三人稱單數(shù)及單數(shù)名詞He likes books.She likes him.The dog likes bones.★變疑問句在句首加does, 動詞變?yōu)樵?/span>Does he like books?Does she like him?Does the dog like bones?★變否定句在主語及動詞之間加doesn’t, 動詞變?yōu)樵?/span>He doesn’t like books.She doesn’t like him.The dog doesn’t like bones.★肯定回答及否定回答：Yes, he does. No, he doesn’t.Yes, she does. No, she doesn’t.Yes, it does. No, it doesn’t.注意：第三人稱單數(shù)形式一般在動詞后面加S，不要和名詞復(fù)數(shù)混淆，變否定句或疑問句時(shí)名詞復(fù)數(shù)沒有任何變化。其他人稱及復(fù)數(shù)名詞I want to have a bath.We have some meat.The students like smart teachers.★變疑問句在句首加doDo you want to have a bath?Do we have any meat?Do the students like smart teachers?★變否定句在主語和動詞之間加don’t.You don’t want to have a bath.We don’t have any meat.The students don’t like smart teachers.★肯定回答及否定回答Yes, I do. No, I don’t.Yes, we do. No, we don’tYes, they do. No, they don’t.2. 現(xiàn)在進(jìn)行時(shí)表示現(xiàn)在正在進(jìn)行的動作。構(gòu)成：
主語＋be動詞＋動詞的現(xiàn)在分詞＋其它成分（現(xiàn)在分詞的構(gòu)成見附錄）We are having lunch.He is reading a book.The dog is running after a cat.The boys are swimming across the river.★變疑問句將be動詞移到句首Are we having lunch?Is he reading a book?Is the dog running after a cat?Are the boys swimming across the river?
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