外研社版一起四下M1-5复习讲义.doc

一：祈使句句式结构：（省略主语第二人称you）肯定句式：动词原形 (You) Wear these glasses.否定句式：Dont+动词原形。 (You) Dont touch the machines.肯否转换练习：Wash your hands!洗洗你的手！ Dont walk on the grass!不要在草地上走！Dont write in the books! 别在书上乱写！Dont feed the ducks. 别喂鸭子You can all have a bag of crisps. 二、一般过去时不含be动词句式结构含有be动词句式结构（as/were）肯定句主语+动词的edDad played the erhu .主语+beIt was Chinese music .否定句主语+didnt+动词原形Dad didnt play the erhu .主语+be+notIt wasnt Chinese music .一般疑问句Did+主语+动词原形Did dad play the erhu ?Be+主语Was It Chinese music ? 肯定回答Yes,主语+didYes ,he did.Yes,主语+beYes , It was .否定回答No,主语+didntNo ,he didnt.No,主语+be+notNo , It wasnt .三、一般现在时（一）、含有be动词J肯定句：主语+be+其它 如： It is a Chinese instrument.J否定句：主语+ be+ not+其它 如： It isnt a Chinese instrument.J一般疑问句：Be+主语+其它? 如： Is it a Chinese instrument? Yes, It is./No, It isnt.J特殊疑问句：疑问词+be+主语+其它? 如： Whats an erhu? It looks like a violin.be动词的一般现在时之单复转换肯定句：主语+be+其它This is a book. - These are books.That is a book. - Those are books. 否定句：主语+ be+ not+其它This isnt a book. These are not books.一般疑问句：Be+主语+其它?Is this a book ? Are these books?肯定回答：Yes, It is. Yes , they are.否定回答：No, It isnt. No ,they are not.（二）、不含be动词非第三人称单数主语 I/We/You/They第三人称单数主语 He/She/It肯定句主语+实义动词原形They look like the violins.主语+实义动词单三形式It looks like a violin.否定句主语+ dont+动词原形They dont look like the violins.主语+ doesnt+动词原形It doesnt look like a violin一般问句Do+主语+动词原形+其他？Do they look like the violins ?Does+主语+动词原形+其他？Does it look like a violin ?肯定回答Yes,主语+do.Yes,they do .Yes,主语+ does.Yes, It does.否定回答No,主语+dont.No,they dont.No,主语+ doesntNo, It doesnt四、现在进行时特殊问句1.Whats happening now ?2.What +be+动词 ing What are you doing now ?肯定句主语+be+动词的ingWere having a party.否定句主语+be not+动词的ingWe are not having a party.一般疑问句Be +主语+动词的ingAre we having a party ?肯定回答Yes,主语+beYes , We are .否定回答No,主语+be notNo , We are not.五、情态动词can肯定句：主语 + can + 动词原形I can hear the drums.否定句：主语 + cant + 动词原形I cant hear the drums.疑问句：Can + 主语 + 动词原形Can you hear the drums ?肯定回答：Yes，主语+ can. Yes，I can.否定回答：No，主语 + cant No. I cant前五模小知识点归纳： Its difficult to+动词原形 表示很难做什么 例句 Its difficult to choose! its time to do到做的时间了 例句 time to choose. be good for 对有好处 This computer is good for computer games.take sth./sb. to+ 地点. 把什么带到某地 例句 I can take it to school.询问价钱:How much is it? It costs one thousand eight hundred yuan.附：基数词：1-10: one, two, three, four, fie, six, seven, eight nine, ten.11-20：eleven, twelve；thirteen , fourteen; fifteen, sixteen ; seventeen; nineteen, twenty.1