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《仁爱版七年级英语上册Unit1 Topic3 SectionB课件》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、Unit1MakingNewFriendsTopic3Howoldareyou?SectionBadeskapenapencilWarmingupabookabusaboxamapanappleanorangeanegganeraser在英语中，a,an和the称为冠词，其中a和an是不定冠词，the是定冠词。不定冠词a和an都可以表示“一(个、支、张、块……)”的意思。它们在用法上有什么区别呢？请仔细观察下面的例子，然后补全结论部分所缺内容。a和anA.a“w”,an“s”,an“f”B.anegg,aruler
2、C.aredapple,anEnglishteacherD.Isthathismap?Thisismyschoolbag.Sheisinthisroom.【结论】1.从A、B组例子中可以看出，__用在以辅音音素开头的字母或单数名词之前，___用在以元音音素开头的字母或单数名词之前。2.从C组例子中可以看出,当名词前有修饰语时，应以______(名词/修饰语)开头的音素决定用a还是用an。3.从D组例子中可以看出，若名词前有物主代词his,my等或指示代词this,that等修饰限定时,____(能/不能)同时使用冠
3、词。ana修饰语不能【运用】请选用a或an完成下列句子或对话。1.Itisn’t__“u”.It’s____“v”.2.—Isthat_____egg?—Yes,it’s____bigegg.3.—What’sthisinEnglish?—It’s____Englishbook.4.It’s____“h”,not____“n”.aaanaanananA:What’sthisinEnglish?B:It’sapen.A:Howdoyouspellit,please?B:P-E-N,pen.PairworkA:What
4、’sthisinEnglish?B:It’sabook.A:Canyouspellit,please?B:B-O-O-K,book.A:What’sthisinEnglish?B:It’sabag.A:Howdoyouspellit,please?B:B-A-G,bag.---Isthisapencil?---Yes,itis.A:Isthisanorange?B:No,itisn’t.It’sanapple.---Isthatacar?---No,itisn’t.It’sabus.Isthis/thata/an…
5、?Yes,itis./No,itisn’t.It’sa/an…Completetheconversations.A:What’sthisinEnglish?B:____apencil-box.A:Canyouspellit,please?B:_____________________________It’sP-E-N-C-I-L-B-O-X,pencil-box.A:What’sthatinEnglish?B:____anapple.A:___________________?B:A-doubleP-L-E,app
6、le.It’sHowdoyouspellitA:Isthisaneraser?B:Yes,_____.A:Isthatapen?B:No,_______.Itisapencil.itisitisn’tI.Choosetherightanswer.___doyouspellit,please?A.WhatB.HowC.Where2.---Isthatacar?---No,_____.A.itisn’tB.thatisC.thatisn’t3.---Thisis_____eraser.---_____hereraser
7、.A.a;It’sB.an;ItsC.an;It’sBAC练习坊4.It’smyruler.(改为否定句)It______my_____.5.What’sthis_________(用英语)？It’s_______(一支铅笔).isn’trulerinEnglishapencilII.请选用a/an完成下列句子。1.Sheis___Englishgirl.2.Itis__goodapple.3.It’s__“m”,not__“w”.4.Thatis__oldcar.5.Thisismymom.Sheis__teac
8、her.anaanaanaIII.请根据所给情景用适当的词语完成下列句子或对话。1.—Excuseme,isthisyourtoy?—Yes,__is.2.—What’sthatinEnglish?—_____aruler.itIt’s3.—____you____it,please?—Yes,Ican.4.—__thatanegg?—Yes,__is.5.T
