新概念英语第一册语法重点难点点汇总新概念一册语法点汇总
第一部分：时态8种
一般现在时，现在进行时，一般过去时，现在完成时，一般将来时，过去进行时，过去完成时，过去将来时
1. 一般现在时
表示一般性，经常性的动作或一般性事实。
（1）含有be动词的句子
The girl is very beautiful.
Tim and Jack are stude nts.
★变疑问句三步骤：将be动词移到句首，
首字母大写，句号变问号。
Is the girl very beautiful?
Are Tim and Jack stude nts?
★变否定句在be动词后面加not
The girl is not very beautiful.
Tim and Jack are not stude nts.
★肯定回答及否定回答
Yes, she is. No, she is not.
Yes, they are. No, they are not.
(2)不含有be动词的句子，即含有一般动词的句子
第三人称单数及单数名词
She likes him.
The dog likes bon es.
★变疑问句三步骤：在句首加does,动词变为原型，
问号变句号。
Does she like him?
Does the dog like bon es?
★变否定句在主语及动词之间加doesn ' t,
动词变为原型，原句中的动词不再有第三人称变化：有了助动词的帮助，句中动词变回原形!
She does n t like him.
The dog does n ' t like bon es.
★肯定回答及否定回答：
Yes, she does. No, she doesn ' t
Yes, it does. No, it does n ' t.
注意：第三人称单数形式一般在动词后面加
S,不要和名词复数混淆，变否定句或疑问句时名词复数没有任何变化。
其他人称及复数名词
I want to have a bath.
We have some meat.
The stude nts like smart teachers.
★变疑问句：在句首加do，句号变问号。
Do you want to have a bath?
Do we have any meat?
Do the stude nts like smart teachers?
★变否定句在主语和动词之间加don ' t.
You don ' t want to have a bath.
We don ' t have any meat.
The stude nts don 't like smart teachers.
★肯定回答及否定回答Y es, I do. No, I don 't.
Yes, we do. No, we don 't
Yes, they do. No, they don 't.
2.现在进行时
表示现在正在进行的动作。
构成：主语+be动词+动词的现在分词
doing
We are hav ing lun ch.
He is readi ng a book.
The dog is running after a cat.
The boys are swimmi ng across the river.
★变疑问句将be动词移到句首
Are we hav ing lun ch?
Is he readi ng a book?
Is the dog running after a cat?
Are the boys swimming across the river? ★变否定句在be动词后面加not
We are not hav ing lun ch.
He is not readi ng a book.
The dog is not running after a cat.
The boys are swimmi ng across the river.
★特殊疑问句：what, which, how, where, who, etc.
疑问词+动词+主语+现在分词
What are you doing?
What is she doing?
What is the dog doing?
没有进行时的动词（必背）
表示状态，思想，感情和感觉的动词不能表示正在进行的动作
1. 表示感觉，感官的词
see, hear, like, love, want,
2. have, has当“拥有"讲时没有进行时
3. 一般过去时
去的时间状语连用，女口yesterday, last night,
the day before yesterday, 3 days ago,
含有be动词的句子，将动词变为过去式，am, is 的过去式为was，are 的过去式为were
I was at the butcher ' s.
You were a stude nt a year ago.