肯定句、否定句,疑问句.ppt
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1、陈述句:肯定句、否定句疑问句:一般疑问句特殊疑问句专项练习-句型转换一、肯定句变否定句1、句子中有be,在be 后加not.1)I am a student.2)They are blue.3)He is Tom.I am not a student.They arent blue.He isnt Tom.l2、句子中有can,在can 后加not.He can swim.l He cant swim.l I can play football.I cant play football.We can speak English.We cant speak English.3、谓语动词是动词原形
2、,在动词前加dont.l1)I have a book.l I dont have a book.l2)They like Chinese.l They dont like Chinese.l3)We come from China.l We dont come from China.4、谓语动词 是第三人称单数,在动词前加doesnt,后面的动词用原形。l1)She has a small mouth.l She doesnt have a small mouth.l2)Maria likes China.l Maris doesnt like China.l3)Jane comes fro
3、m the USA.l Jane doesnt come from the USA.练习:将下列句子变成否定句1.I am a teacher.2.We are students.3.Jane is a girl.4.They like English.5.I come from China.6.We know Maria.7.He likes Chinese.8.Amy comes from England.1.I _ _a teacher.2.We _students.3.Jane _ a girl.4.They _ like Chinese.5.I _come from China.6.
4、We _know Maria.7.He _ like Chinese.8.Amy _ come fromEngland.amarentnotdontdontdoesntisntdoesntdont陈述句1、陈述句:肯定句lIm a student.lI can swim.lI know.lHe knows.定义:陈述一个事实或说明一种情况,句末用句点。陈述句分肯定句和否定句。否定句lIm not a student.lI cant swim.lI dont know.lHe doesnt know.肯定句变否定句的方法在be 动词(is,am,are,was,were)助动词(do,does,
5、did,),情态动词(can)后加not.二、肯定句变一般疑问句l1、句子中有be,把be 提到句首。l1)I am a student.l Are you a student?l2)They are blue.l Are they blue?l3)He is Sam.l Is he Sam?l2、句子中有can,把can 提到句首.lHe can swim.l Can he swim?lI can play football.l Can you play football?lWe can speak English.l Can you speak English?3、谓语是动词原形,在句首加
6、Do.l1)I have a book.l Do you have a book?l2)They like Chinese.l Do they like Chinese?l3)We come from China.l Do you come from China?谓语动词 是第三人称单数,在句首加Does,后面的动词用原形。l1)She has a small mouth.l Does she have a small mouth?l2)Maria likes China.l Does Maria like China?l3)Jane comes from the USA.l Does Jan
7、e come form the USA?l4)She knows Maria.l Does she know Maria?练习:将下列句子变成一般疑问句1.I am a teacher.2.Jane is a girl.3.They are students.4.We can run fast.5.He can swim.6.They like English.7.I come from China.8.We speak Chinese.9.He likes Chinese.10.Amy comes from England.1._ _ a teacher?2._Jane a girl?3._
8、 _ students?4._ _ run fast?5._ _ swim?6._ they like English?7._you come from China?8._ you speak Chinese?9._ he _ Chinese?10.Amy _ from England?AreyouIsAretheyCanyouDoheDocomelikeCanDoDoesDoes三、一般疑问句的肯定,否定回答1.Are you Amy?l 肯定回答:l 否定回答:2.Is Sam in Class Five?l 肯定回答:l 否定回答:3.Are Sam and Jim pupils?l 肯
9、定回答:l 否定回答:Yes,I am.No,Im not.Yes,he is.No,he isnt.Yes,they are.No,they arent.4.Can he swim?肯定回答:否定回答:5.Can you play football?肯定回答:否定回答:6.Do you play football?肯定回答:否定回答:7.Does he like apples?肯定回答:否定回答:Yes,hecan.cantNo,heNo,weYes,we cant.can.Yes,IYes,hedo.does.dont.No,Idoesnt.No,he一般疑问句的肯定,否定回答:肯定回答:
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