小学英语肯定变-否定句10.24

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1、否定句实义动词的否定句否定句中and，some与any的用法情态动词can的否定Be动词的否定1.Be动词的否定构成：be+not⑴Iamagirl.Iamagirl.not⑵Youareshort.Youareshort.not⑶Sheisugly.Sheisugly.not把下列句子变成否定句1.Iamagirl.__________________2.Heismyteacher.____________3.Jimmy’sdadisinthebathroom._____________________

2、_______4.SheiswatchingTVnow．____________________________5.Thereisabirdonmyhead.____________________________can的用法can情态动词，可以，能主语+can+Ve.g.You/He/Icanhearthemusic.I/She/You/Hecandance.构成：在can后加not,其余部分不变。cannot=can’te.g.Thebirdscanfly.Thebirdscannot=can’tfl

3、y.Marycandance.Marycan’t=can’tdance.2.情态动词can的否定PracticeIcanswim.____________________Shecandance.________________Mymothercanhearwithherears._____________________________LucyandLindacanwalktoschool._____________________________MyDadcanseesomechildrenintheg

4、arden._____________________________3.实义动词的否定1.Ilikevegetables.Idon'tlikevegetables.2.Youlikevegetables.Youdon'tlikevegetables.3.Helikesvegetables.Hedoesn'tlikevegetables.6.Theygotoschool.Theydon’tgotoschool.4.Wegotoschool.Wedon’tgotoschool.5.Yougotoschool

5、.Youdon’tgotoschool.I/You/We/They/Thestudents非第三人称单数+don't+动词原形+其它He/She/ItMyfather第三人称单数+doesn't+动词原形+其它构成：4.否定句中and，some与any的用法1.否定句中and要变为or2.否定句中some要变为anyHecansinganddance.Hecan’tsingordance.Hehassomebreadandjuice.Hedoesn’thaveanybreadorjuice.1.Iwant

6、somelamb.Idon'twantanylamb.2.Hewantssomelamb.Hedoesn'twantanylamb.有能有是加not，无能无是借don’t/doesn’t,否定some变any,记住don’t/doesn’t照妖镜,后面动词现原形.