Lesson3Aputerhasakeyboard（课件）英语五年级上册

Lesson3NewWordsTV电视机write写every每一个email电子邮件tall高的keyboard键盘ear耳朵mouse鼠；鼠标eye眼睛everyday每天mouth嘴hand手PK：FlashcardseverymouthtalleyeemailkeyboardhandmousewriteearTV单词拓展1.TV=tevision2.tall反义词short3.write现在分词writing4.mouse复数mouses（鼠标）

mice（老鼠）Lesson3Let'slearnheadnoselegfootarmhandeyeIhavea/an...Hehasa/an...have和hasWehaveabighouse.Lindahasabighouse.

总结：

主语为第三人称单数，谓语动词也用第三人称单数形式。

（主单三，谓s）

ATVhasascreen.变否：ATVdoesn’thaveascreen.变疑：DoesaTVhaveascreen?回答:Yes,itdoes./No,itdoesn’t.一、含有be动词的句子变一般疑问句：

动词提句首2.人称一变二3.其他照抄，加问号I-youmy-yourwe-you

练习1.Iamdoingmyhomework.__________________________________________>2.Heiscleaninghisbike.__________________________________________.3.Sheiswashingclothes.____________________________________________4.Hisfatherisplayingfootball.___________________________________________5.Theboysareplayingbasketball._________________________________________二、含有实义动词的句子变一般疑问句1.当主语为第三人称单数，助动词找does帮忙Shehasalongruler.Doesshehavealongruler?Yes,shedoes/No,shedoesn`tDoes+主语+动词原形+...?肯定回答：Yes,主语+does.否定回答：No,主语doesn`t.2.当主语为非单三形式，助动词找doDoyoulikemusic?Yes,Ido/No,Idon`tDo+主语+动词原形+...?肯定回答：Yes,主语+do.否定回答：No,主语+don`t.助动词does是面照妖镜，动词见了现原形

练习变否规则1、be+not2、can+not3、主单三，在动词前加does，再加not

主语非单三，在动词前加do，再加not

isnot=isn'tarenot=aren`tcannot=can`tdoesnot=doesn`tdonot=don`t把下列句子变成否定句1.Iamagoodstudent.____________________2.Itisabeautifulstamp.______________________3.ATVhasascreen.__________________________.

PracticeLesson3Let'slearn练习Lesson3Let'stalk动词单三句如何变疑问句HeabookhasDoeshave肯定回答:Yes,第三人称单数does.否定回答:No,第三人称单数doesn’t.例如:Doesshehaveasister?肯定回答:Yes,shedoes.否定回答:No,shedoesn’t.对问句的回答:句型练习1.Qiqihasafootball.（变一般疑问句）DoesQiqihaveafootball?2.Shehastwopencils.（变一般疑问句）Doesshehavetwopencils?3.Theyhaveakeyboard.（变否定句）Theydon’thaveakeyboard.4.Myparentshaveacar.（变否定句）Myparentsdon'thaveacar.

Lesson3Let'sreadhave,有haveaguess,组成短语，意为：猜一猜playwith...，和...一起玩everyday,每天him,宾格，with,介词，介词后跟宾格no+名词，“没有...”主语是单三时，动词加s助动词后跟动词原形助动词后跟动词原形含有动词时，变否定，助动词后加not助动词，情态动词后加动词原形_________writeletters,写信Isee.我知道了。阅读1.everyday每天playwi