人教版七年级英语上册：Unit6-第三课时-Section-A(Grammar-Focus~3c-)1课件.ppt（纯ppt,可能不含音视频素材）

1、Unit 6 Do you like bananas?第三课时第三课时 Section A（Grammar Focus-3c）1.能够正确运用下列句型：Do you like salad?Yes,I do./No,dont.Do they like pears?Yes,they do./No,they dont.Does he/she like tomatoes?Yes,he/she does.No,he/she doesnt.2.牢记第三人称单数的用法。3.能够正确区分可数名词和不可数名词。Warm-upLets chantDo you like pears?Yes,I do.I do.I

2、like pears.Do I like bananas?No,you dont.No,you dont.You dont like bananas.Milk,milk.He likes milk.Salad,salad,She doesnt like salad.I GinareviewDo you like.?Yes,I do./No,I dont.Does Gina like.?Yes,she does./No,she doesnt.Memory challenge看图片，快速说出单词小结：小结：主语不是第三人称单数时，主语不是第三人称单数时，谓语动词用动词原形谓语动词用动词原形(lik

3、e),疑问句和否定句中疑问句和否定句中用助动词用助动词do。主语是第三人称单数时，谓语动词词尾加主语是第三人称单数时，谓语动词词尾加-s/-es(likes),疑问句和否疑问句和否定句中用助动词定句中用助动词does。疑问句和否定句中用到疑问句和否定句中用到does后，谓语动词用原形后，谓语动词用原形(like).可数名词和不可数名词可数名词和不可数名词可数名词(1)定义：是定义：是可以计数计数的名词。的名词。(2)可数名词前可数名词前可以用用 a,an 限定，表限定，表“一个一个”。(3)可数名词前可数名词前可以用用 one,two,three 等限等限定。定。(4)可数名词可数名词有复数复

4、数形式。形式。名词可数名词复数形式的构成可数名词复数形式的构成名词特点名词特点 词尾加法词尾加法词尾读音方法词尾读音方法例词例词一般情况一般情况下下 加加-s1.-s在清辅音后读在清辅音后读s2.-s在浊辅音后读在浊辅音后读z3.-s在元音后读在元音后读z4.以音素以音素 s,z,结尾的，读结尾的，读izdesksapplestreesoranges以以-s,-x,-sh,-ch 结尾的结尾的加加-es-es读读izboxeswatches以以f 或或 fe 结尾的结尾的改改f或或fe为为v 再加再加-es-ves读读vz kniveswives可数名词复数形式的构成可数名词复数形式的构成 名

5、词特点名词特点词尾加法词尾加法词尾读音方法词尾读音方法例词例词 改改y为为i 再加再加-es-ies读读iz familiesdictionaries以元音字母以元音字母加加y结尾的结尾的 加加-s-s读读zboyskeys以以o 结尾结尾的的有生命的有生命的事物加事物加-es-es读读ztomatoespotatoes以以辅音辅音字母字母加加y结尾的结尾的无生命的无生命的事物加事物加-s-s读读zphotosradios可数名词和不可数名词可数名词和不可数名词不可数名词不可数名词(1)定义：是指表示定义：是指表示不能计数不能计数的事物的名词。的事物的名词。(2)不可数名词前不可数名词前不可以

6、不可以用用 a,an 限定限定。(3)不可数名词前不可数名词前不可以不可以用用 one,two,three 等限定。等限定。(4)不可数名词不可数名词没有复数形式没有复数形式。名词可数名词和不可数名词可数名词和不可数名词既可数又不可数的名词既可数又不可数的名词 定义：在某些情况下定义：在某些情况下能能计数，在某些情况下计数，在某些情况下不能不能计数的名词。计数的名词。（1）a chicken 一只鸡一只鸡 chicken 鸡肉鸡肉 （2）an ice cream 一个冰淇淋一个冰淇淋 ice cream 冰淇淋（指成份）冰淇淋（指成份）（3）a salad 一碟沙拉一碟沙拉 salad 沙拉（

7、指成份）沙拉（指成份）名词Underline the correct words.3a1.I like fruit,but I(dont/doesnt)like vegetables.2.She(like/likes)bread,but she(doesnt/dont)like salad.3.He(like/likes)bananas,but he(dont/doesnt)like oranges.4.We(likes/like)hamburgers,but we(dont/doesnt)like chicken.5.They(likes/like)pears,but they(dont/d

8、oesnt)like strawberries.第三人称单数形式第三人称单数形式第三人称复数形式第三人称复数形式思考并讨论：思考并讨论：1.什么时候需要用什么时候需要用 likes 或者或者doesnt？什么时候用？什么时候用like或者或者dont?2.like 后面的名词为什么有时词尾要加后面的名词为什么有时词尾要加-s/-es,有的时候为什么不加有的时候为什么不加-s/-es？在一般现在时态的句子中：在一般现在时态的句子中：1.当当句子主语句子主语为为第三人称单数第三人称单数时，时，谓语动词谓语动词也应用其也应用其第三人称单形式第三人称单形式，在，在动词后面动词后面加加“-s 或或-es

9、”。like likes；have has 2.当当句子主语句子主语为为第一人称第一人称，第二人称和第三第二人称和第三人称复数形式时人称复数形式时，谓语动词用谓语动词用原型形式原型形式。Jack likes apples,but his sister doesnt like apples.杰克喜欢苹果，但他的妹妹不喜欢。杰克喜欢苹果，但他的妹妹不喜欢。We have three pears.They dont have pears.我们有三个梨，他们没有梨。我们有三个梨，他们没有梨。Number these sentences 1-4 to make a conversation.3bSo,l

10、ets get salad.Yes,I do.Do you like salad?OK.3214 选词填空。选词填空。1.Do you like _(strawberry/strawberries)?2.Here are some nice _(tomatos/tomatoes).3.Lets _(have/has)apples and bananas.4.John likes _(milk/milks)and bread.5.Sam _(dont/doesnt)like vegetable salad.6.Lets play volleyball.That_(sounds/sound)goo

11、d.Exercises一、单项选择1.Does he like apples?Yes,_.A.he does B.he do C.it is D.he doesnt 2.I dont like volleyball,but my sister _.A.like B.do C.doesnt D.does AD3.Jack _ some strawberries.A.like B.likes C.have D.eat4.The boy likes eggs,but he _ rice.A.doesnt likes B.dont like C.likes D.doesnt like5._ playi

12、ng baseball?That sounds good.A.Do you like B.What about C.Lets D.Go to BDB 二、按要求完成句子1.This is a tomato.(改为复数形式)These _ _.2.My sister likes salad.(改为否定句)My sister _ _ salad.3.Ann likes apples.(改为一般疑问句)_ Ann _ apples?4.Tony doesnt like French fries.(改为肯定句)Tony _ French fries.5.Do you like strawberries

13、?(作肯定回答)_,I _.are tomatoesdoesnt likeDoeslikelikesYesdoFoodLikesDoesnt like ice-creamLiu LiZhang Junriceorangesmilksaladstrawberriestomatoesbananas Ask your classmates about the food in the chart.Find out what they like and dont like.3cWrite a short passage about the result of the discussion.A sampl

14、e version:Liu Li likes tomatoes.He doesnt like hamburgers.Zhao Jun doesnt like tomatoes.He likes bananas.Zhao Li likes French fries and pears.But she doesnt like salad.SummaryDo you like?Yes,I do./No,I dont.Do they like?Yes,they do./No,they dont.Does she like?Yes,she does./No,she doesnt.I/We like I/

15、We dont likeHe likes He doesnt likeHomework按要求完成句子按要求完成句子1.Her brother likes meat a lot.(对画线部分提问对画线部分提问)her brother like a lot?2.There are oranges on the table.(改为单数句改为单数句)There on the table.3.He likes salad for supper.(改为一般疑问句改为一般疑问句)he salad for supper?4.They like to eat ice-cream.(改为否定句改为否定句)They to eat ice-cream.5.Tom likes playing soccer.(baseball)(用所给词改为选用所给词改为选择一般疑问句择一般疑问句)Tom like playing soccer baseball?What doesis an orangeDoes likedont likeDoes or