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1、Unit5Isthisyourschoolbag?精通版·五年级上册Lesson25—Lesson26Lead-inWhat'sthis?It'sanapple.Isthisyourapple?Yes,itis.What'sthis?It'sabook.Isthisyourbook?Yes,itis.What'sthis?It'sapen.Isthisyourpen?No,itisn't.Newwordsschoolbag书包put放;放置ruler尺子crayon蜡笔yes是的JusttalkTeacher:Students:Teacher:Mike:Hey,boys
2、andgirls!Don’tleaveyourthingslikethis.Putthemaway.OK!Mike!Isthisyourschoolbag?Yes,itis.Teacher:Ann:Teacher:Jim:Teacher:Students:Isthisyouractivitybook,Ann?No,itisn’t.That’smyactivitybook.Isthisyourruler,Jim?Yes,itis.Remembertoputyourthingsawayafterclass.OK,wewill.Languagepoints1.Don’tlea
3、veyourthingslikethis.不要把你们的东西这样放。(1)此句为否定祈使句,用来提醒或警告别人不要做某事。don’t是donot的缩写形式,意为“不要,别”。否定祈使句的结构是:Don’t+动词原形+其他.例句:Don’topentheactivitybook.不要把活动手册打开。(2)我们以前学过like的意思是“喜欢”,但本句中like的意思是“像;如同”,常构成短语looklike…(看起来像……)。例句:Youcandrawpictureslikethis.你可以像这样画。2.Putthemaway.把它们收起来。这是一个以动词原形开头的Do型祈使
4、句。祈使句的主语通常为第二人称(you),但一般都被省略,所以用于祈使句句首的动词总是用原形,不能用其他形式。句型结构为:动词原形+其他.例句:Comehere.到这里来。Openthebook,please.请打开书。拓展:Do型祈使句的用法口诀:Do型祈使句,它的主语(you)常省去;表示请求或命令,加上please表客气;如果变成否定句,使用don’t是规律。3.—Isthisyourschoolbag?这是你的书包吗?这是以be动词开头的一般疑问句,用来询问近处物品是否是某人的。句子结构为:Isthis+形容词性物主代词/名词所有格+名词(单数)?肯定回答是“Y
5、es,…is.”否定回答是“No,…isn’t.”(your,his,her…)(Lily’s,mymother’s…)形容词性物主代词名词所有格例句:这是你的蜡笔吗?—Isthisyourcrayon?不,不是。—No,itisn’t.Justpracticeschoolbag书包activitybook活动手册dictionary词典Isthisyourschoolbag?Yes,itis.Isthisyourruler?No,itisn’t.IcansayIsthisyourdictionary?Yes,itis.No,itisn’t.Isthisyourscho
6、olbag?Isthisyourruler?Yes,itis.JustwriteputschoolbagrulercrayonyesIsthisyourschoolbag?Yes,itis.Canyouwritethem?Let’sactGREENBIRDGROUPBROWNBEARGROUPGREENBIRDGROUPBROWNBEARGROUPWhosestorybookisthis?Isthisyourstorybook?No,itisn’t.No,itisn’t.Isthisyourstorybook?PlayrolesWhosedictionaryisthis
7、?Isthisyourdictionary?Yes,itis.Whoseactivitybookisthis?Isthisyouractivitybook?No,itisn’t.Yes,itis.Isthisyouractivitybook?Whoseruleristhis?Isthisyourruler?No,itisn’t.Yes,itis.Isthisyourruler?Let’schantIseeascientist,Sittingonaseat.He’ssingingasong,Thatsoundssweet.