新概念英语一册语法总结 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
■ 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 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