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1、be動(dòng)詞的用法一、口訣：我用am,你用are,is用在他她它，復(fù)數(shù)全用are。例題：1.I______aboy.______youaboy?No,I_____not.2.Thegirl______Jack'ssister.3.Thedog_______tallandfat.4.Thejeans______onthedesk.二、有be動(dòng)詞的肯定句和否定句IamfromLondon.IamnotfromLondon.Heisateacher.Heisnotateacher.Sheisinthediningroom.Sheisnotinthedining
2、room.Myhairislong.Myhairisnotlong.Hereyesaresmall.Hereyesarenotsmall.歸納：在有be動(dòng)詞的句子中，改否定句時(shí)只要在be動(dòng)詞______加上_____。三、有be動(dòng)詞的一般疑問(wèn)句AmIaChinese?Yes,youare.No,youaren’t.AretheyAmerican?Yes,theyare.No,theyaren’t.Isthecatfat?Yes,itis.No,itisn’t.四、Be動(dòng)詞在一般過(guò)去時(shí)中的變化：am--wasis--wasare--were⑴am和is
3、在一般過(guò)去時(shí)中變?yōu)閣as。（wasnot=wasn’t）⑵are在一般過(guò)去時(shí)中變?yōu)閣ere。（werenot=weren’t）⑶帶有was或were的句子，其否定、疑問(wèn)的變化和is,am,are一樣，即否定句在was或were后加not，一般疑問(wèn)句把was或were調(diào)到句首。例題：1.I_______atschooljustnow.2.He________atthecamplastweek.3.We________studentstwoyearsago.4.They________onthefarmamomentago.5.YangLing_____
4、___elevenyearsoldlastyear.6.Themobilephone_______onthesofayesterdayevening.2.五、therebe句型中be動(dòng)詞的用法1、在therebe句型中，主語(yǔ)是單數(shù)，be動(dòng)詞用is；主語(yǔ)是復(fù)數(shù)，be動(dòng)詞用are；如有幾件物品，be動(dòng)詞根據(jù)最近be動(dòng)詞的那個(gè)名詞決定。2、therebe句型的否定句在be動(dòng)詞后加not，一般疑問(wèn)句把be動(dòng)詞調(diào)到句首。例題：1、There___________alotofsweetsinthebox.2、There___________somemilkint
5、heglass.3、There____________-somepeopleunderthethebigtree.4、There___________apictureandamaponthewall.六、綜合練習(xí)用恰當(dāng)?shù)腷e動(dòng)詞填空。1.Themanwithbigeyes_______ateacher.2.______yourbrotherintheclassroom?3.Where_____yourmother?She______athome.4.How_______yourfather?5.MikeandLiuTao______atschool.
6、6.Whosedress______this?7.Whosesocks______they?8.That______myredskirt.9.Who______I?10.Here______ascarfforyou.11.Here______somesweatersforyou.12.Theblackgloves______forSuYang.13.Thispairofgloves______forYangLing.14.Thetwocupsofmilk_____forme.15.Sometea______intheglass.16.Gaoshan'
7、sshirt_______overthere.七，句型轉(zhuǎn)換1.Itwasexciting.?否定句：________________________________________________一般疑問(wèn)句：____________________________________________肯、否定回答：__________________________________________2.Allthestudentswereveryexcited.?否定句：____________________________________________
8、____一般疑問(wèn)句：____________________________________________
