1、Howoldareyou?
2、你好，1.Whatisyourname?
3、-Iliketoreadbooksandplaywithmyfriends.
4、What'syourfavoritefood?
5、如：Iamagirl.→Iamnotagirl.
6、-Yes,Ihaveayoungersister.
7、Whatdoyouliketodoinyourfreetime?
8、→Youaren'tastudent.
9、Doyouhaveanypets?
10、What'syourfavoritecolor?
11、主系表结构疑问句把be动词提前否定句be后面加not
12、主谓结构疑问句句首加do动词恢复原形否定句在动词前加don't或doesn't动词恢复原形
13、-IliveinBeijing.
14、Youareastudent.→Youarenotastudent.
15、What'syourfavoritesport?
16、上述都没有的，在动词前加助动词否定形式don't/doesn't/didn't。
17、ThisisTom'sbag,→ThisisnotTom'sbag.→Thisisn'tTom'sbag.
18、-Iam9yearsold.
19、在can，should，will等后加not。
20、some改成any。
21、在be动词后加not。如：isnot，arenot，amnot
22、What'syourfavoritesubjectinschool?
23、-Myfavoritecolorisblue.
24、-Yes,Ihaveadog.
25、如：cannot，shouldnot，willnot；
26、Wheredoyoulive?
27、-Myfavoritefoodispizza.
28、-MynameisSarah.
29、-Myfavoritesportisswimming.
30、Doyouhaveanysiblings?
31、-MyfavoritesubjectinschoolisEnglish.
32、四年级英语已经学过了助动词be，情态动词can,以及，do，does。要求学生学会找这几个关键词，有be（am,is,are）时，其后加not，有can时，can后加not为can't.如果是句子是动词原形，动词前加don't,如果是动词单三，动词前加doesn't动词变原型.总之:让学生们先找关键词，再根据关键词确定否定句怎么变。
