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1、肯定句变为否定句的方法；一般疑问句的回答1）肯定句变为否定句的方法把肯定句改成否定句分以下情况：1、句中有be动词的，在be动词后加not；2、句中有情态动词的（can,should，must，would），在情态动词后面加not；3、句中没有be动词和情态动词的，在动词前加don’t或doesn’t；①句中动词为原形的，加don’t.如：Ilikeapples.àIdon’tlikeapples.②句中动词为三单形式的，加doesn’t，并将三单式的动词还原成原形。如：Helikesapples.àHedoesn’tlikeapples.4.肯定句中的some在否定句
2、中应改为any如：Therearesomestudentsintheclassroom.àTherearenotanystudentsintheclassroom.2)一般疑问句的回答a)IsJimastudent?b)CanIhelpyou?c)Doesshelikesalad?d)DotheywatchTV?e)Isshereading?肯定回答:a)Yes,heis.b)Yes,youcan.c)Yes,shedoes.d)Yes,theydo.e)Yes,sheis.否定回答:a)No,heisn’t.b)No,youcan’t.c)No,shedoes’t.d
3、)No,theydon’t.e)No,sheisn’t.由Be动词来问，也由Be动词来回答be:amisareAmIateacher?Yes,youare.No,youaren't.IsheTom?Yes,heis.No,heisn't.Issheyourfriend?Yes,sheis.No,sheisn't.IsLucy8yearsold?Yes,sheis.No,sheisn't.由助动词do,does提问，也用它们来回答Doyouhaveabook?Yes,Ihave.No,Ihaven't.Doeshehaveapen?Yes,hedoes.No,hedoes
4、n't.Doesitliketosleep?Yes,itdoes.No,itdoesn't.情态动词，用can问，也用它来答Canheswim?Yes,hecan.No,hecan't.把下列句子改写为否定句、一般疑问句并做肯定、否定回答1. His father is an English teacher.(否定句)HisfatherisnotanEnglishteacher.（一般疑问句）IshisfatheranEnglishteacher?Yes,heis.No,heisn’t.2.They can swim.(cannot)Theycannot(can’t)s
5、wim.Cantheyswim?Yes,theycan.No,theycan’t.3. I like reading English. Idon’tlikereadingEnglish.DoyoulikereadingEnglish?Yes,Ido.No,Idon’t.4. His sister goes to school on foot.（否定句）Hissisterdoesn’tgotoschoolonfoot.（一般疑问句）Doeshissistergotoschoolonfoot?Yes,shedoes.No,shedoesn’t.5. MrsLi and Ki
6、tty watch TV at night. MrsLiandKittydon’twatchTVatnight.DoMrsLiandKittywatchTVatnight?Yes,theydo.No,theydon’t.6. I do my homework after school.Idon’tdomyhomeworkafterschool.Doyoudoyourhomeworkafterschool?Yes,Ido.No,Idon’t.课后练习把下列句子改写为否定句、一般疑问句及肯定、否定回答1. The boy does some housework at hom
7、e. 2. We are from China. 3. Jim has some books. 4. I have afootballbook. 5. My aunt often watches TV. 6. My parents can play ping-pong. 7. They are my grandparents. 8. Gina wants a cup of coffeeAreyouastudent?Areyoustudents?Doeshelookcool?Canshedraw?Cantheydance?
