小学英语新概念英语第一册语法总结：一般现在时素材2

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新概念英语第一册语法总结：一般现在时

英语中的时态一共有八种，它们是：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。

今天我们所要讲的就是第一种： 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.




2、不含有be动词的句子，即含有一般动词的句子。 (1)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。 (2)其他人称及复数名词

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