新概念英語第一冊語法知識大全
引導(dǎo)語：關(guān)于新概念英語第一冊的語法，由應(yīng)屆畢業(yè)生培訓(xùn)網(wǎng)整理而成，謝謝您的閱讀。
一、時態(tài)：
一般現(xiàn)在時，現(xiàn)在進(jìn)行時，一般過去時，現(xiàn)在完成時，一般將來時，過去進(jìn)行時，過去完成時，過去將來時
1. 一般現(xiàn)在時
表示一般性，經(jīng)常性的動作或一般性事實。
1 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?/p>
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�，原句中的動詞不再有第三人稱變化。
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
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?
變否定句在be動詞后面加 not
We are not having lunch.
He is not reading a book.
The dog is not running after a cat.
The boys are swimming across the river.
特殊疑問句：what, which, how, where, who, etc.
疑問詞+動詞+主語+現(xiàn)在分詞
What are you doing?
What is she doing?
What is the dog doing?
沒有進(jìn)行時的動詞(必背)
表示狀態(tài)，思想，感情和感覺的動詞不能表示正在進(jìn)行的動作
1. 表示感覺，感官的詞
see, hear, like, love, want,
2. have, has當(dāng)”擁有”講時沒有進(jìn)行時
3. 一般過去時
表示過去發(fā)生的動作或事件， 常和表示過去的時間狀語連用，如yesterday, last night, the day before yesterday, 3 days ago,
含有be動詞的句子， 將動詞變?yōu)檫^去式，am, is的過去式為was，are的過去式為were
I was at the butcher’s.
You were a student a year ago.
The teacher was very beautiful ten years ago.
變疑問句將be動詞移動到句首
Were you at the butcher’s?
Were you a student a year ago?
Was the teacher very beautiful ten years ago?
變否定句在be動詞后面加not
I was not at the butcher’s.
You were not a student a year ago.
The teacher was not very beautiful ten years ago.
肯定回答否定回答
Yes, I was. No, I was not.
Yes, you were. No, you were not.
Yes, he/she was. No, he/she was not.
特殊疑問句：
What did you do?
(必背)
不含有be動詞的句子，將動詞變?yōu)檫^去式，動詞過去式構(gòu)成見附錄
I finished my homework yesterday.
The boy went to a restaurant.
The Sawyers lived at King Street a year ago.
變疑問句在句首加did， 動詞變?yōu)樵?/div>