精品文档可编辑版 初中英语语法初中英语语法一般现在时知识点总结归纳一般现在时知识点总结归纳 一般现在时表示一般性，经常性的动作或一般性事实。 概念:表示经常发生的动作或经常存在的状态。 常和 always , often , usually , sometimes , every day 等表时间的状语连用。 如：1) I go to school every day . 我每天都去学校。(表经常) 2) He is always like that . 他总是那样。(表状态) 构成：1) 主语 + be (am / are / is ) + 2) 主语 + 实义动词/三单动词 + 【解析】 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. 精品文档可编辑版 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 doesnt, 动词变为原型，原句中的动词不 再有第三人称变化。 He doesnt like books. She doesnt like him. The dog doesnt like bones. 肯定回答及否定回答： Yes, he does. / No, he doesnt. Yes, she does. / No, she doesnt 精品文档可编辑版 Yes, it does. / No, it doesnt. 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 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 dont. You dont want to have a bath. We dont have any meat. The students dont like smart teachers. 肯定回答及否定回答 Yes, I do. / No, I dont. Yes, we do. / No, we dont Yes, they do. / No, they dont.