如何改否定句(六英).doc

六年级英语复习题(3)
句型转换专项训练
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如何改否定句。
否定句就是表示“无、不、没有”等的句子。
在be动词后面加not。可缩略为:is not=isn't are not=aren't(过去式
was not=wasn't were not=weren't).句中的some改为any。
如:(1)I'm going to the Great Wall.
→I'm not going to the Great Wall.
There is a cinema near here.
→There isn't a cinema near here.
They are going to take a trip.
→They aren't going to take a trip.
在情态动词can,must,should等后面加not,可缩略为:cannot=can't
must not=mustn't should not=shouldn't。
如:He can go to the bus stop on foot.
→He can't go to the bus stop on foot.
在主语后面,动词前面加助动词的否定形式don't,(第三人称单数用doesn't).过去式用didn't.
如:(1)I go to school by subway.
→I don't go to school by subway.
Mike goes to school by subway.
→Mike doesn't go to school by subway.
(3)Open the door.
→Don't open the door.
如何改一般疑问句。
将句中的be动词(am,is,are过去式was,were)或情态动词can提在句子开头,句号改为问号。句中的some改为any,“I am…”“We are…”一般改为“Are you…?”
如:(1)I'm going to the Great Wall. 肯定回答否定回答
→Are you going to the Great Wall? Yes,I am. No,I'm not.
There is a cinema near here.
→Is there a cinema near here? Yes,there is. No,there isn't.
They are going to take a trip.
→Are they going to take a trip? Yes,they are. No,they aren't.
He can go to the bus stop on foot.
→Can he go to the bus stop on foot ? Yes,he can. No,he can't.
在句子开头加助动词Do,(第三人称单数用does)过去时加did,句号改为问号。
如:(1)I go to school by subway. 肯定回答否定回答
→Do you go to school by subway? Yes,I do. No,I don'