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新概念英語一冊(cè)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(dòng)作或一般性事實(shí)。
■ 含有be動(dòng)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(dòng)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(dòng)詞后面加not
He 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(dòng)詞的句子,即含有一般動(dòng)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(dòng)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(dòng)詞之間加doesn’t, 動(dòng)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(dòng)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do
Do 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(dòng)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’t
Yes, 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(dòng)作。
構(gòu)成:
主語+be動(dòng)詞+動(dòng)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(dòng)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?