七年級上英語第三單元知識點(diǎn)

1、Unit3Isthisyourpencil?知識要點(diǎn)1Be動詞的現(xiàn)在時肯定句：主語+be動詞+其他。Itisabook.否定句：主語+be動詞+not+其他。Itisnotabook.一般疑問句：Be動詞+主語+其他？Isitabook?回答：Yes,主語+be.No,主語+be+not.Yes,itis./No,itisnt.一般疑問句是在句子中用提問的方式提供一些信息，要求對方用Yes或No回答的疑問句。本單元的一般疑問句主要由Be(Am,Is,Are)+主語+其他？構(gòu)成。注意：變一般問I變you,my變yourIamJim.AreyouJim?Yes,Iam.No,Imnot.Thisi

2、smyruler.Isthisyourruler?Yes,itis.No,itisnt.考題1I.把下列句子變?yōu)榉穸ň銲amastudent.Sheismyfriend.Heisagoodboy.Lilyismysister.Theyaremybrothers.II.把下列句子變?yōu)橐话阋蓡柧洳⒆龀隹隙ê头穸ɑ卮?。Thisismyruler.ThatisherEnglishbook.Thatismyeraser.Thisishisdictionary.Theyaregoodfriends.Iamateacher.知識要點(diǎn)2人稱代詞分為主格和賓格。人稱/數(shù)第一人稱第二人稱第三人稱主格Iweyouy

3、ouhesheitthey賓格meusyouyouhimheritthem形容詞性物主代詞myouryouryourHisheritstheir名詞性物主代詞mineoursyoursyourshishersitstheirs主格放在動詞之前作主語，賓格放在動詞后作賓語。Heisagoodboy.Welikehim.形容詞性物主代詞相當(dāng)于形容詞，后面必須接名詞意思才完整。Mymotherisateacher.名詞性物主代詞相當(dāng)于“形容詞性物主代詞+名詞”，其后不必加名詞-Isthisyourbook?-No,itisnt.Itshers(=herbook).考題I用人稱代詞填空isateach

4、er.Wealllove.（她）isagoodboy.Letsplaywith.（他）isintheclassroom.Youcanfindinyourdesk.（它）-areverysmarttoday.-Thankverymuch.（你）cantfindmyruler.Pleasehelpwritethelostandfound.（我）II.用物主代詞填空Icantfind（我的）dictionary.CanIuse（你的）？Georgelost（他的）pen.Thenotebookisntmine.Its（她的）.-Mike,isthis（你的）picture?-Yes,itis.Thi

5、sis（她的）IDcard.（我的）isinmyschoolbag.知識要點(diǎn)3no與not區(qū)別no表示否定“不”與yes相對?？蓡为?dú)使用，用語回答一般疑問句。也可以用語于句中，修飾名詞。-Isthisyourpen?-Yes,itisIhavenomoney.not用于構(gòu)成否定句“不是”，不能單獨(dú)使用，必須和be動詞，助動詞或情態(tài)動詞之后，才可以構(gòu)成否定形式。Isnot=isntarenot=arentamnot不能夠amntno=nota/anno=notanyIhavenobook.=Idonthaveabook.Ihavenobrotherandsister.=Idonthaveanyb

6、rothersorsisters.考題用no,not填空Ihavemoney.Iamagoodmother.Itisacat.Itsahat.-AreyouEnglish?-.ImChinese.-areyouEnglish?-,Im.知識要點(diǎn)4Excuseme與sorry區(qū)別Excuseme在問問題時，為了表示禮貌?！罢垎?，”常用于借物，問路，插話，或會議中途離開等?；卮鹩肗evermind.或Thatsallright.Sorry=Imsorry.“對不起”常用于做錯事或有過失而向別人道歉，回答用Itdoesntmatter.（沒關(guān)系）考題4當(dāng)你不小心撞倒別人時應(yīng)該說.A.Excuseme

7、B.SorryC.Itdoesntmatter.,Sonia.Isthisyourpencil?A.Excuseme.B.SorryC.Itdoesntmatter.-,canyouanswermyquestion?-,Icant.A.Sorry,ExcusemeB.Excuseme,SorryC.Excuseme,Excuseme知識要點(diǎn)5Howdoyouspellit?How+助動詞+主語+其他？構(gòu)成的特殊疑問句。How“如何，怎樣”詢問身體健康狀況，一般生活情況，天氣，方式等。Howdoyoudo?你好！用語初次見面?；卮鹨灿肏owdoyoudo?考題：選擇Howyou?A.areB.d

8、oC.isHowyouspellanswer?A.areB.doC.isHowyou?A.do,areB.are,doC.do,doHowtheweather（天氣）today？A.areB.isC.do-Whatcolorisit?-.A.Yes,itisB.No,itisnt.C.Itsyellow.Myfatherisfine.yourfather?知識要點(diǎn)6callv.給.打電話callsb.給某人打電話Callme,please.callsbat+電話號碼“撥打號碼找某人Callmeat354-6268.知識要點(diǎn)7must必須，情態(tài)動詞，后接動詞原形。Imustfindmybook.

9、askfor向某人要某物Iaskmyfatherforapen.考題Callmyfather994-5678.A.inB.withC.toD.atAsktheteachertheanswer（答案）、A.toB.forC.ofD.in請撥打456-1234找小明。PleaseXiaoming456-1234.我向爸爸要了一輛自行車。Imyfatherabike.知識要點(diǎn)8thanksfor的用法Thanks=ThankyouThanksforsth.因某事而感謝某人。Thanksforyourpen.Thanksfordoingsth.因做某事而感謝某人。Thanksforhelpingme.常見感謝用語：Manythanks.多謝。Thankyouverymuch.=Thanksalot.非常感謝?？碱}7Thankyouyourletter（信）。A.forB.toC.atforteachingmeso（這樣）well.A.ThanksyouB.ThanksC.Thank知識要點(diǎn)9What/Howabout.?征求對方的意見或在上文的基礎(chǔ)上問相同問題以避免重復(fù)。后接名詞，代詞或動詞的ing形式。-Isthisyourpen?-Yes,