新概念英语第一册语法总结(1)

2011/10/21 13:23:08

  一、时态:

  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

  He is a teacher.

  The girl is very beautiful.

  Tim and Jack are students.

  ★变疑问句将be动词移到句首

  Is he a teacher?

  Is the girl very beautiful?

  Are Tim and Jack students?

  ★变否定句在be动词后面加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

  He likes books.

  She likes him.

  The dog likes bones.

  ★变疑问句在句首加does, 动词变为原型

  Does he like books?

  Does she like him?

  Does the dog like bones?

  ★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。

  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 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.

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