七上unit3Isthisyourpencil句式变换微课

人教版七年级上册Unit3Isthisyourpencil?句式变换武汉经济开发区黄陵中学：李长生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.一般疑问句:Isthis/thatyourpencil?肯定回答：Yes,itis.否定回答：No,itisn’t.

注意：答语不用this或that而用it。肯定句与否定句：e.g.

It’sakey.

Thisisn’tanorange.3.特殊疑问句：

What’sthisinEnglish?

4.复数句子：Aretheseyourbooks?No,theyaren’t.They’rehers.ExplainationThisismypencil.Is

thisyourpencil?一、含有be的陈述句变为一般疑问句的方法：Be提前，句尾问号。I改为you

my改为your

例如：Iamfine.--Areyoufine?Thisishereraser.(改为否定句）2.Thesearesomeapples.(改为否定句)Thisisnothereraser

.Thesearen’tanyapplesWhatisthat?二、变否定句：be动词后加not，some变any三、划线提问：找准疑问词，后用一般疑问句。Thatisaneraser.(划线提问）2.Thiscupisyellow.(划线提问）Whatcoloristhiscup?1.Thisismypencil.These

areourpencils.四、此类句型单复数互变的技巧：逐一对应变。即this/these,that/those,is/are等互换。名词单复数互变，a/some互变。2.Thosearesomeoranges.---Thatisanorange.Thisisabook.These

are

some

books.1.Thisishereraser.(改为一般疑问句,并作肯定回答)2.Thatishispencilsharpener.(改为一般疑问句,并作否定回答)3.ThesearemyschoolIDcards.(改为单数句子)Isthishereraser?Yes,itis.Isthathispencilsharpener?No,itisn’t.ThisismyschoolIDcard.句型转换4.Thepictureisonthewall.(划线提问)5.Isthatasoccerball?(改为复数句子)6.Thisismybrother.(