小学英语肯定变-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.•4.Yourmumisbeautiful.•5.SheiswatchingTVnow．•6.Theyaregoodstudentsinmyclass.•7.Thereisabirdonmyhead.can的用法•can属于情态动词，一般表示能力，can没有人称变化，不能单独使用，必须后跟动词原形。•e.g.•You/He/Icanhearthemusic.I/She/You/HeAcandance.•构成：Can句型的否定句：在can后加not,其余部分不变。cannot=can’t•e.g.•Thebirdscanfly.•Thebirdscannotfly.•Marycandance.•Marycan’tdance.Practice•Icanswim.•Shecandance.•Mymothercanhearwithherears.•LucyandLindacanwalktoschool.•MyDadcanseesomechildreninthegarden.1.Ilikevegetables.Idon'tlikevegetables.2.Youlikevegetables.Youdon'tlikevegetables.3.Helikesvegetables.Hedoesn'tlikevegetables.6.Theygotoschool.Theydon’tgotoschool.4.Wegotoschool.Wedon’tgotoschool.5.Yougotoschool.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：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.Iwantsomelamb.Idon'twantanylamb.2.Hewantssomelamb.Hedoesn'twantanylamb.有能有是直接加not，无能无是借don’t/doesn’t,否定some要变any,记住don’t/doesn’t是照妖镜,后面动词照原形.