现在完成时语法讲解与练习题

2014初二英语现在完成时语法讲解与练习题

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□:号2014初二英语现在完成时语法讲解与练习题 考

现在完成时（I） 第八单元语法知识

:名姓 现在完成时的构成及句型结构：（注：过去分词的变化分规则变化与 不规则变化，规则变化与动词原形变过去式一样，不规则变化见教材 137页）

1.肯定句：主语+have/has+过去分词 +其他+时间.

eg: I have already lost the key. 我已经弄丢了钥匙. (我现 :在没有钥匙)

级班He has ever read that book . 他曾经看过这本书. (了解

书的内容)

They have just cleaned their hands. 他们刚刚洗过手了.

(手是干净的)

2.否定句：主语+haven’t/ hasn’t+过去分词+其他+时间.

eg: I haven’t lost the key yet.

He hasn’t ever read that book .

They haven’t just cleaned their hands. 3.一般疑问句：Have/Has+主语+过去分词+其他+时间？

肯定回答：Yes, 主语+have/ has. 否定回答：No, 主语 :校+haven’t/hasn’t.

学 eg: Have you already lost the key? Yes, I have. No, I haven’t. Has he ever read the book? Yes, he has. No, he hasn’t. Have they just cleaned their hands? Yes, they have. No, they haven’t.

4.特殊疑问句：特殊疑问词+have/has+主语+过去分词+

其他+时间？

eg: What have you already done? （done是do/does的过去分词）

What has he ever done? What have they just done?

（她已经学习五年英语了） 解释：一直在学，持续了五年，并且还可能持续学下去.

He has lived in Beijing since he was born . （自从他出生以后就居住在北京） 解释：从出生后就一直住在北京，持续到现在，还有可能一直住下去） Have you stayed here since 3 o’clock? （自从3点后你就一直呆在这儿吗？）

例题：选用for和since填空:

1. We haven’t seen each other ___ a long time. 2. His father has been in the factory ____ 10 years ago.

3. The film has been on ____ 20 minutes. 4. Mr. Green has worked here _____ he came to China.

5. His grandparents have been dead _____ several years. 6. It’s five years ______ we met last time.

7.I have already had dinner. （改否定句） I _______ _______ dinner _______. 8. Mum has cooked the dinner.（改否定句） Mum _______ ________ the dinner.

9. Susan has learned English at school. （改否定句） Susan________ ________English at school.

（对划线部分提问） _______ _______ ________

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