教育精品:unit2课件.ppt
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1、宾语从句:考点1.引导词考点2.语序考点3.时态考点4.宾语从句的否定转移。考点5.宾语从句转化给“疑问词+不定式”结构。We know him We know he likes English.主主s s主主s s谓谓v v谓谓v v宾宾o o宾宾o o宾语从句就是由一个句子来构成主句的宾语宾语从句就是由一个句子来构成主句的宾语 主主s s谓谓v v宾宾o o简单句简单句复合句复合句 一 什么 是宾语从句?试比较宾语从句三要素:宾语从句三要素:连连 接接 词词时时 态态语语 序序陈述语序陈述语序 l宾语从句连接词宾语从句连接词:1.陈述句2.一般疑问句3.特殊疑问句that if/wheth
2、er原有的连接代词原有的连接代词和连接副词和连接副词Well have exams next Friday.Using sayI can help him.The teacher says(that)well have exams next Friday.The girl says(that)she can help him.1.April is the hottest month of the 1.April is the hottest month of the year.year.(I believe)(I believe)I believe(that)April is the hott
3、est I believe(that)April is the hottest month of the year.month of the year.2.It was a little crowded.2.It was a little crowded.(I guess)(I guess)I guess(that)it was a little crowded.I guess(that)it was a little crowded.3.The races were not that interesting 3.The races were not that interesting to w
4、atch.to watch.(Bill thinks)(Bill thinks)Bill thinks(that)the races were not Bill thinks(that)the races were not that interesting to watch.that interesting to watch.4.The Water Festival is really fun.4.The Water Festival is really fun.(I know)(I know)I know(that)the Water Festival is I know(that)the
5、Water Festival is really fun.really fun.1.1.由从属连词由从属连词thatthat引导的宾语从句引导的宾语从句注:注:that 在句中在句中无词义无词义,在从句,在从句中不能充当句子成分,在口语中中不能充当句子成分,在口语中往往被往往被省略省略。Whether/if Is Jim in?Has she taken any medicine?Using wonderLi Lei wonders if Jim is in.The doctor wonders if she has taken some medicine.2.由从属连词由从属连词 WHETH
6、ER,IF 引导的宾语从句引导的宾语从句变化方法:变化方法:主句主句 +if/whether if/whether+一般疑问句。一般疑问句。if/whether if/whether 引导宾语从句引导宾语从句 ,表示,表示“是否是否”之义,之义,在句中不充当句子成份,在句中不充当句子成份,if/whetherif/whether可互换。可互换。该一般疑问句要变为陈述句形式。该一般疑问句要变为陈述句形式。把下列各句变为宾语从句把下列各句变为宾语从句1.Is Jim at home?(I wonder)I wonder whether/if I wonder whether/if Jim is a
7、t homeJim is at home.2.Is June a good time to visit Hong Kong?(He wonders)He wonders whether/if June is a good He wonders whether/if June is a good time to visit Hong Kong.time to visit Hong Kong.把下列各句变为宾语从句把下列各句变为宾语从句 3.Does he like sports?(Do you know)3.Does he like sports?(Do you know)Do you know
8、 whether he likes sports?Do you know whether he likes sports?4.Will they play basketball after school?(4.Will they play basketball after school?(He asks)He asks)He asks whether they will play He asks whether they will play basketball after school.basketball after school.IF 与WHETHER 的区别1.I dont know
9、_ he will come or not.2.That depends on _ he can come back.3.He wondered _ to stay here the next week.4._ he will come is not decided.与与or not 连用只能用连用只能用whether介词后只能用介词后只能用whether与与to do 不定式连用只能用不定式连用只能用whether句首只能用句首只能用whetherwhetherwhetherwhetherWhether只能用 WHETHER的情况:与与or not or not 连用只能用连用只能用whet
10、herwhether介词后只能用介词后只能用whetherwhether与与to do to do 不定式连用只能用不定式连用只能用whetherwhether句首只能用句首只能用whetherwhether1.I dont know.Where is my father?-I dont know where my father is.2.Can you tell me?Who is that woman?-Can you tell me who that woman is.3.We are guessing.Which book did he chose?-We are guessing w
11、hich book he chose.宾语从句语序:陈述句语序宾语从句语序:陈述句语序主句主句 +连连 接接 词词 +主语主语 +谓谓语语 +其他成分其他成分.时态1.主句是一般现在时,从句根据实际选择。2.主句是过去时,从句只能选用过去时态(一般过去时,过去进行时,过去将来时,过去完成时)3.如果宾语从句表示的是客观事实,普遍真理,自然现象或习惯性动作等,不管主句用什么时态,从句时态都用一般现在时。What a pretty girl she is!How pretty the girl is!pretty把下列宾语从句变为否定句。把下列宾语从句变为否定句。1.1.I think that
12、they are fun to watch.I think that they are fun to watch.I dont think that they are fun to watch.I dont think that they are fun to watch.2.I believe April is the hottest month of the 2.I believe April is the hottest month of the year.year.I dont believe April is the hottest month of I dont believe A
13、pril is the hottest month of the year.the year.l宾语从句的宾语从句的否定转移否定转移:主语为第一人称谓语动词是 think,believe,guess,suppose 等否定在主句,翻译在从句 Translate the following sentences.1.我认为不会下雨我认为不会下雨 I _ that it _.2.我认为你的答案不对我认为你的答案不对.I _your answer right.我们相信他还没走我们相信他还没走.We _ that he _.dont thinkwill raindont thinkisdont beli
14、evehas gone宾语从句转化给“疑问词+不定式”结构。1.IdontknowwhatIcandowithit.=Idontknowwhattodo.2.CouldyoutellmehowIcangettothecinema?=Couldyoutellmehowtogettothecinema?The flowers are beautiful.The flowers are very beautiful.What beautiful flowers they are!How beautiful the flowers are!The cat is lovely.The cat is ve
15、ry lovely.What a lovely cat it is!How lovely the cat is!What a delicious cake it is!How delicious the cake is!deliciousWhat a lovely bird it is!How lovely the bird is!lovelyWhat a big pencil box it is!How big the pencil box is!A.What a beautiful bird it is!B.How beautiful this bird is!A.What beautif
16、ul flowers they are!B.How beautiful these flowers are!A.How tall the man is!B.What a tall man(he is)!A.How lovely these pandas are!B.What lovely pandas(they are)!A.Wow,what a big pumpkin!B.How big this pumpkin is!Work out the rules.1.Many foreigners like Chinese food very much.They said,“How delicio
17、us the Beijing Duck is!”2.What a beautiful girl!Look!How long her hair is!HowWhatHowFill in the blanks with What,What a/an or How to form an exclamation.3.Look!Whats that in the bushes?Oh,its a dangerous snake.How dangerous it is!HowWHAT 与与HOW 大转换大转换1.What a pretty girl she is!_ _ the girl is!2.How
18、difficult the questions are!_ _ _ they are.3.How big the factory is!_ _ big factory _ _!How prettyWhat difficult questions What a it is4.What a clever boy!_ _ the boy _!5.How tall the trees are!_ tall trees _ _!6.What interesting books they are!_ _ the books _!7.How funny the girl is!_ _ funny girl
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