新概念英语弟一册语法练习一.docVIP

新概念英语第一册 语法练习(一) 新概念英语第一册学习资料免费下载：vickey新概念英语 新概念英语第一册视频免费下载：vickey新概念英语视频 　　新概念英语第一册语法: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 　　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. 练习题 1.?I really don’t know _______ I had my mobile phone stolen. A. when was it that?????B. that it was when?????C. where it was that???????D. it was where that 2.?Was it _______ it snowed last night that you didn’t come to the party? A. that???????????????????????B. because???????????????? ?C. why?????????????????????????D. if 3.?I just don’t understand _______ that prevents so many Americans from being as happy as one might expect. A. why it does????????????B. what i