人教版七年級上冊Unit3Isthisyourpencil?句式變換武漢經(jīng)濟開發(fā)區(qū)黃陵中學：李長生anorangeapenakeyLead-in—What’sthisinEnglish?—It’sakey.—Isthisakey?—No,itisn’t.Itisapen.—What’sthatinEnglish?——Isthatanorange?—It’sanorange.Yes，itis.A:Isthisyourpencil?B:Yes,itis.It’smine.A:Isthatyourschoolbag?B:No,itisn’t.It’snotmine.A:Aretheseyourbooks?B:No,theyaren’t.They’rehers.一般疑問句:Isthis/thatyourpencil?肯定回答：Yes,itis.否定回答：No,itisn’t.

注意：答語不用this或that而用it?？隙ň渑c否定句：e.g.

It’sakey.

Thisisn’tanorange.3.特殊疑問句：

What’sthisinEnglish?

4.復數(shù)句子：Aretheseyourbooks?No,theyaren’t.They’rehers.ExplainationThisismypencil.Is

thisyourpencil?一、含有be的陳述句變?yōu)橐话阋蓡柧涞姆椒ǎ築e提前，句尾問號。I改為you

my改為your

例如：Iamfine.--Areyoufine?Thisishereraser.(改為否定句）2.Thesearesomeapples.(改為否定句)Thisisnothereraser

.Thesearen’tanyapplesWhatisthat?二、變否定句：be動詞后加not，some變any三、劃線提問：找準疑問詞，后用一般疑問句。Thatisaneraser.(劃線提問）2.Thiscupisyellow.(劃線提問）Whatcoloristhiscup?1.Thisismypencil.These

areourpencils.四、此類句型單復數(shù)互變的技巧：逐一對應變。即this/these,that/those,is/are等互換。名詞單復數(shù)互變，a/some互變。2.Thosearesomeoranges.---Thatisanorange.Thisisabook.These

are

some

books.1.Thisishereraser.(改為一般疑問句,并作肯定回答)2.Thatishispencilsharpener.(改為一般疑問句,并作否定回答)3.ThesearemyschoolIDcards.(改為單數(shù)句子)Isthishereraser?Yes,itis.Isthathispencilsharpener?No,itisn’t.ThisismyschoolIDcard.句型轉換4.Thepictureisonthewall.(劃線提問)5.Isthatasoccerball?(改為復數(shù)句子)6.Thisismybrother.(