文档介绍：
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八大时态语法总结
LT
B、其他人称及复数名词
★一般肯定句
I want to have a bath.
We have some meat.
The students like smart teachers.
★变疑问句在句首加do
Do you want to have a bath?
Do we have any meat?
Do the students 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 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. 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＋其它成分（现在分词的构成见附录）
★一般肯定句
We are having lunch.
He is reading a book.
The dog is running after a cat.
The boys are swimming across the river.
★变疑问句将be动词移到句首
Are we having lunch?
Is he reading a book?
Is the dog running after a cat?
Are the boys swimming across the river?
★变否定句在be动词后面加 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?
(必背)
没有进行时的动词
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”讲时候没有进行时
3. 一般过去时
表示过去发生的动作或事件， 常和表示过去的时间状语连用，如yesterday, last night, the day before yesterday, 3 days ago,
（1）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