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1、一般疑问句和否定句的变法,-闫彩虹,教学目标：1.学习一般疑问句和否定句的 变化规则。重 难 点：1.在一般疑问句中人称的变化。2.some在一般疑问句和否定句的 变化。,一、把be动词（am is are）和情态动词(can,may,must.)放到句首，其它照写。遇I/weyou,myyour.someany.句号变成问号（？）例如：陈述句:Theyareinthepark.Hecanplay the guitar.一般疑问句:Aretheyinthepark?Canheplay the guitar?,（一）一般疑问句,把下列句子变成一般疑问句2.Mike is a student.3.
2、Sarah can clean the classroom.4.I am in the zoo.5.There are some flowers in the vase.6.This is my sister.7.We are sweeping the floor.,二、借助助动词do/does,第三人称单数用does,其余人称用do，放到句首，其他照写特别记住：前面用does,后面的动词一定还原成原形。遇I/weyou,myyour,someany.句号变成问号（？）例如：陈述句:I like the ducks.He likes the dogs.一般疑问句：Do you like the
3、 ducks?Does he like the dogs?,把下列句子改为一般疑问句。We need some masks.They like making the puppet.Su Hai and Su Yang live in a new house.4.I put a book on my head.6.We play basketball on Sundays.7.Tom likes listening to music,（二）否定句一、在be动词（am is are）和情态动词(can,may,must.)后面加not，其它照写。some变成any.例如：陈述句:Theyarein
4、thepark.Hecanplay the guitar.否定句:They are not inthepark.He can not play the guitar.或：Theyarentinthepark.Hecantplay the guitar.am not 不能缩写 is not=isnt are not=arent can not=cant,把下列句子变成否定句1.I am listening to music.2.Mike is a student.3.Sarah can clean the classroom.4.They are in the zoo.5.There are s
5、ome flowers in the park.6.This is my sister.7.We are sweeping the floor.,二、借助动词dont/doesnt,第三人称单数用 doesnt,其余人称用dont，放到人称后面，动词前面其他照写。特别记住：前面用doesnt,后面的动词一定 还原成原形。Some变成any.例如：陈述句:I like the ducks.He likes the dogs.否定句：I dont like the ducks.He doesnt like the dogs?,把下列句子改为否定句。We need some masks.They like making the puppet.Su Hai and Su Yang live in a new house.4.I put a book on my head.5.We play basketball on Sundays.6.Tom likes listening to music,
