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1、句型转换,DE,答题技巧,初三复习系列 句型转换的解题技巧,句型转换是句子类别的转换。该题的目的在于检测学生运用各种句型的表达能力。要求学生对所学的句子结构和词形的变化做到概念清楚，运用准确。,例1 The little girl was so tired that she couldnt go farther.The little girl was _ tired _ go farther.,（一） 句型转换的解题应试技巧,1必须弄清原句的句型和意思以及判别改写后的句子是什么句型。,通过分析，我们不难发现，该题是由复合句转换为简单句，可用tooto句型。,根据我们所学过的同义词组，look
2、after sb well相当于take good care of sb.,例2 It took him two hours to do these exercises yesterday.He _ two hours _ these exercises yesterday.,该句的句型是It takes sb sometime to do sth. 英语表达该意思的还有spendon句型。,例3 I must look after my sister well at home.I must _ _ _ _ my sister at home.,很明显，这是两个简单句之间的转换，可用not s
3、trong enough来填空。,例4 They were tired, so they had a rest.They had a rest _ they were tired.,该句由并列句转换为复合句，可用because来连接，表示因果关系。,例5 He was too weak to carry the heavy box.He was _ _ _ to carry the heavy box.,从近年来的考题趋势来看，句型转换从单纯测试语法知识向改变句子结构填空，填词后使句意不变或与要求相符的方向发展。其中许多属于常用句型。可归纳如下：,2要熟悉常用句型的转换规律。,例3 We ca
4、n fly to the moon one day. _ _ fly to the moon one day?,(1) 肯定句变为一般疑问句及否定句,a. 变为一般疑问句时，系动词be、助动词或情态动词置于主语之前。,例1 He was so clever. _ _ so clever?,例2 John felt happy at that time. _ John _ happy at that time?,Was,he,Did,feel,Can,you,例3 The doctor could help that people.The doctor _ _ that people.,b. 变
5、为否定句时，系动词、助动词或情态动词后加not。,例1 The twins were happy to see their uncle.The twins _ _ to see their uncle.,例2 Mr. Smith works hard every day.Mr. Smith _ _ hard every day.,werent,happy,doesnt,work,couldnt,help,例2 I could dance and sing when I was five years old.I _ dance _ sing when I was five years old.,
6、如果肯定句中含有some，and，a lot oflots of，already，tooalso, bothand, everythingeveryoneeverybody, always等词(组)，要变为any，or，muchmany，yet， either, neithernor, nothingnobody, never。,c. 注意：,例1 They had lots of friends in China.They _ have _ friends in China.,didnt,many,couldnt,or,例 He can make a model plane, I think
7、. (否定句)I _ think he _ make a model plane.,例1 Mother told me to go to bed early last night.Mother told me _ _ go to bed early last night.,d. 否定前移,e. 一些特殊结构，变否定句时，在动词（词组）后直接加not。,dont,can,not,to,另外，还有ask sb (not) to do sth，Will you please (not) do sth，had better (not) do sth，try (not) to do sth, decid
8、e (not) to do sth等。,例2 Lets play basketball on the playground this afternoon.Lets _ _ basketball on the playground.,not,play,例2 The man in the car is my fathers friend._ _ is _ fathers friend?,(2) 对划线部分提问,对划线部分提问是根据划线的内容提出一个特殊疑问句。即特殊疑问词+一般疑问句构成。,a. 如划线部分是定语，它所修饰的词要跟随特殊疑问词移至句前。,例1 This is Kates hat._
9、 _ is this?,Whose,hat,Which,man,your,例2 Ann flew to Beijing last year.What _ Ann _ last year?,b. 划线部分如是谓语动词，应该用do的形式来取代。,例1 They are looking for the boy in the city._ are they _ in the city?,What,doing,did,do,c. 常见疑问词(组)：what，what+名词(如what colour，what grade等)，when，why，where，who(whom)，which，whose，how
10、，how+形容词副词(如how long，how far，how often，how soon等)。要注意以上各种疑问词(组)的用法。,dd. 注意一些特殊词，如little，few，no，nothing，never等出现时，前半句表示否定的概念，后半句应用肯定形式。,(3) 改为反意疑问句,反意疑问句的前半句为陈述句，后半句为简短的一般疑问句，在改写当中，要注意：,a. 前肯后否，前否后肯；,b. 人称、时态和数要保持一致；,c. 各种祈使句，反意疑问句的后半句都用will you，但Lets句用shall we；,例4 Dont tell him the bad news, _ _?,例1
11、 Class 3 were the winners in the race, _ _?,例2 The man couldnt climb up the tree, _ _?,例3 There is little water in the bottle, _ _?,werent,they,could,he,is,there,will,you,另外，注意以下句子：I am a student,_ _?What a kind girl, _ _?How fast the boy runs, _ _?,arent,I,isnt,she,doesnt,he,例3 I dont know what I c
12、an do.I dont know _ _ do.,(4) 复合句变为简单句,由复合句变为简单句时，一般都是将复合句中的从句改为不定式形式，或是介词短语的形式。比如sothat可以改写成tooto结构的简单句，但应注意to后面必须直接跟行为动词的原形。,例1 He was so young that he cant read.He was _ _ _ read.,例2 We cant live if there is no air or water.We cant live _ air or water.,too,young,to,without,what,to,例2 Li Lei is th
13、e tallest in his class.Li Lei is _ than _ _ student in his class.,(5) 特定词组、句型的特殊用法,例1 Whats the matter, Granny?_ _ with you, Granny?,Whats,wrong,taller,any,other,例3 You cant take both the basketball and the football.You can take _ the basketball _ the football.,(6) 同义句转换,例1 Li Ping does well in Engl
14、ish.Li Ping _ _ _ English.,例2 I can mend the bike. Li Lei can, too.I can mend the bike, and _ _ Li Lei.,is,good,at,so,can,either,or,例2 His brother wont do the shopping tomorrow. (改为一般现在时)His brother _ _ the shopping on Sundays.,(7) 时态转换,例1 We are going to help the farmers on the farm tomorrow. (用now改写)We _ _ the farmers on the farm _.,are,helping,now,doesnt,do,例3 The flowers are beautiful._ _ _ they are! _ _ _ flowers are!,（8）改为感叹句,例1 The twins study Chinese very hard._ _ the twins study Chinese!,
