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ID:51037969
大小:3.98 MB
页数:18页
时间:2020-03-17
《小学英语肯定变-否定句.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、否定句否定句中and,some与any的用法情态动词can的否定Be动词的否定肯定变否定肯变否,soeasy,becan后加not;遇到and在句中,and变or别忘记1.Be动词的否定构成:be+not⑴Iamagirl.Iamagirl.not⑵Youareshort.Youareshort.not⑶Sheisugly.Sheisugly.not将下列句子改成否定句:1.Iamastudent.Iamnotastudent.Iamateacher.将下列句子改成否定句:1.Iamaboy.Iamnotaboy.Iamagirl.将下列
2、句子改成否定句:1.Heismyteacher.Heisnotmyteacher.将下列句子改成否定句:Theyaregoodstudentsinmyclass.Theyarenotgoodstudentsinmyclass.4.Mymother’sMissPanda.MymotherisMissPanda.MymotherisnotMrsWang.缩写:isn’t5.We’resad.Wearesad.Wearenotsad.6.Kitty’sbrother’sfive.Kitty’sbrotherisfive.Kitty’sbroth
3、erisnotfive.缩写:isn’tcan的用法can属于情态动词,一般表示’能’,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/Hecandance.构成:Can句型的否定句:在can后加not,其余部分不变。cannot=can’te.g.Thebirdscanfly.Thebirdscannotfly.Marycandance.Marycan’tdance.2.情态动词can的否定PracticeIcanswim.Shecandance.Mymot
4、hercanhearwithherears.LucyandLindacanwalktoschool.MyDadcanseesomechildreninthegarden.PracticeIcannotswim.Shecannotdance.Mymothercannothearwithherears.LucyandLindacannotwalktoschool.MyDadcannotseesomechildreninthegarden.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anyHe
5、cansinganddance.Hecan’tsingordance.Hehassomebreadandjuice.Hedoesn’thaveanybreadorjuice.
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