Unit 6 Section A Grammar Focus-3c （ppt课件） -2022秋人教新目标版七年级上册《英语》.pptx

1、ReversionA:Do you like apples?B:Yes,I do.No,I dont.一般疑问句：一般疑问句：DoDoes+主语主语+动词原形动词原形+其他？其他？肯定回答：肯定回答：Yes,主语（人称代词）主语（人称代词）+do/does.否定回答：否定回答：No,主语（人称代词）主语（人称代词）+dont/doesnt.A:Do they like oranges?B:Yes,they do.No,they dont.A:Does he like bananas?B:Yes,he does.No,he doesnt.TomA:Does she like tomatoes?B

2、:Yes,she does.No,she doesnt.A:Does Lily like strawberries?B:Yes,she does.No,she doesnt.A:Do John and Lucy like pears?B:Yes,they do.No,they dont.肯定句：肯定句：主语主语+动词原形动词原形/动词的第三人称单数动词的第三人称单数+其他其他否定句：否定句：主语主语+dontdoesnt+动词原形动词原形+其他其他.I like.I dont like.They like.They dont like.HeShe likes.HeShe doesnt like

3、.fruittomatoesorangesstrawberriespearsbananashamburgerssaladmilk ice-creambreadI dont like I like They dont like They like foodpersonDo they like?Yes,they do.No,they dont.foodpersonShe/He likes She/He doesnt like foodperson Does she/he like?Yes,she/he does.No,she/he doesnt.小结：小结：主语不是第三人称单数时，主语不是第三人称

4、单数时，谓语动词用动词原形谓语动词用动词原形(like),疑问句和否定句中用疑问句和否定句中用助动词助动词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),疑问句和否定句疑问句和否定句中用助动词中用助动词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可数名词（1）（2）（3）（4）定义：是定义：是可以可以计数的名词。计数的名词。可数名词前可数名词前可以可以用用 a,an 限定限定,表一表一个个.。可数名词前可数名词前可以可以用用

5、one,two,three 限定。限定。可数名词可数名词有有复数形式。复数形式。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）（2）（3）（4）定义：是指定义：是指不能不能计数的名词。计数的名词。不可数名词前不可数名词前不可以不可以用用 a,an 限定。限定。不可数名词前不可数名词前不可以不可以用用 one,two,three 限定。限定。不可数名词不可数名词没有没有复数形式。复数形式。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名词既可数又不可数名词定义：定义：在某些情况下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。e.g

6、.(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（指成份）沙拉（指成份）可数名词复数形式的构成可数名词复数形式的构成 1名词特点词尾加法例词例词一般情况下一般情况下 加加-sdesksapplestreesoranges以以-s,-x,-sh,-ch 结尾的结尾的加加-esboxeswatches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 kniveswives可数名词复数形式的构成可数

7、名词复数形式的构成 2名词特点词尾加法 例词例词 改改y为为i 再再加加-es familiesdictionaries以元音字母以元音字母加加y结尾的结尾的 加加-sboyskeys以以o 结尾的结尾的有生命的事有生命的事物加物加-estomatoespotatoes以以辅音辅音字母字母加加y结尾的结尾的无生命的事无生命的事物加物加-sphotosradiosapplehamburgerbananaFrench friesorangecarrottomatoeggstrawberrychickenboywatchchair可数名词可数名词countable nouns不可数名词不可数名词un

8、countable nounsapplehamburgerbananaFrench frorangecarrottomatobroccolieggstrawberrboywatchchaircountable and uncountable nounsssssssiessiesyyessesmilkricebreadsaladice creamchickenfooddrinkfruit1.I like fruit,but I(dont/doesnt)like vegetables.2.She(like/likes)bread,but she(doesnt/dont)like salad.3.H

9、e(like/likes)bananas,but he(dont/doesnt)like oranges.Underline the correct words in the brackets.第三人称单数第三人称单数形式形式3a第三人称复数形式第三人称复数形式4.We(likes/like)hamburgers,but we(dont/doesnt)like chicken.5.They(likes/like)pears,but they(dont/doesnt)like strawberries.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

10、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？Lets chantLets chantI like,you like,they like.She likes,he likes,Mary likes.Do I,do you,do they?Does she,does he,does Mary?I dont,you dont,they dont.She doesnt,he doesnt,Mary doesnt.3b3b Number these sentences

11、1-4 to make a conversations.()So,lets get salad.()Yes,I do.()Do you like salad?()OK.1234A:Do you like bread?B:Yes,I do.A:So,lets get bread.B:OK.A:Do you like?B:Yes,I do.A:So,lets get B:OK.A:Does he like?B:Yes,he does.He likes /No,he doesnt.He doesnt like A:Does she like?B:Yes,she does.She likes /No,

12、she doesnt.She doesnt like A:Do they like?B:Yes,they do.They like/No,they dont.They dont like foodperson Does she/he like?Yes,she/he does.She/He likes No,she/he doesnt.She/He doesnt like Different people like different food.How about your classmate?What does he/she like?Interview each other,and make

13、 a survey.3c Ask your classmates about the food in the chart.Find out what they like and dont like.Food Likes Doesnt likeice-creamLiu Li Zhao JuntomatohamburgerstrawberrymilkchickensaladbananasLike this:A:Hello!Do you like?B:Yes,I do.I like./No,I dont.I dont like.A:Does Lucy like?B:Yes,she does.She

14、likes ./No,she doesnt.She doesnt like Do a report:Hello,everyone!I like,and But I dont like,or Lucy likes,and But she doesnt like,or I.按要求完成句子，每空一词。1.I like oranges.(改为一般疑问句)_ _ like oranges?2.Her daughter likes ice-cream.(对划线部分提问)_ _ her daughter _?3.Does your uncle like sports?(作肯定回答)_,_ _.Do youY

15、es he doeslikeWhat doesDo more exercises4._ have some fruit salad.(根据答语完成上句)Sounds good.5.They like playing basketball after school.(改为否定句)They _ _ playing basketball after school.Lets dont likeII.在横线上填入合适的单词完成对话，每空一词。A:Grace,here are some(1)_.You can eat them.B:Oh,thanks,but I dont like apples.A:Wh

16、at(2)_ do you like?B:I like bananas.A:(3)_ you like pears?B:No,I dont.applesDo fruitA:How(4)_ strawberries?B:Oh,I like strawberries very much.There are some strawberries in my bag.Lets have them.A:That(5)_ good.aboutsoundsIII.按要求写出下列单词的正确形式。按要求写出下列单词的正确形式。1.watch(复数复数)_ 2.carrot(复数复数)_3.sound(第三人称单数

17、第三人称单数)_4.tomato(复数复数)_5.I(宾格宾格)_ 6.it is(缩写缩写)_watchescarrotssoundstomatoesmeitsIV.根据汉语提示写出正确单词。根据汉语提示写出正确单词。1.We have _(蔬菜蔬菜)for dinner every day.2.We have _(许多许多)clubs.Join us soon.3.Bill doesnt like _(西红杮西红杮).4.Lets eat ice cream.That _(听起来听起来)good.5.I like _(草莓草莓)very much.vegetablesmanytomatoe

18、ssoundsstrawberries V.Translate and write them down.1.-他喜欢草莓吗？-不，他不喜欢。2.她喜欢西红柿、沙拉和鸡肉。-Does he like strawberries?-No,he doesnt.She likes tomatoes,salad and chicken.Homework Talk about your familys favourite food,write a short passage.谈论你家人最喜爱的食物,写一段小短文。My name is,I like,but I dont likeMy father likes,but he doesnt likeMy mother likes,but she doesnt like