书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
b. 变为否定句时，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 weren’t ______ to see their uncle. ______ happy
书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
b. 划线部分如是谓语动词，应该用 do的形式来取代。
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 Kate’s hat. Whose hat ______ ______ is this? [例2] The man in the car is my father’s friend. your Which man ______ ______ is ______ father’s friend?
[例2] Mr. Smith works hard every day. doesn’t work Mr. Smith ______ ______ hard every day.
[例3] The doctor could help that people. The doctorcouldn’t help that people. _____ _____
后的句子是什么句型。
[例1] The little girl was so tired that she couldn’t go farther. The little girl was ______ tired ______ go farther.
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too…to句型。
书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
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，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。
书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
2．要熟悉常用句型的转换规律。
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：
书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
d. 否定前移 [例] He can make a model plane, I think. (否定句) don’t can I ______ think he ______ make a model plane. e. 一些特殊结构，变否定句时，在动词（词 组）后直接加not。 [例1] Mother told me to go to bed early last night.
学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
（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
to not Mother told me ______ ______ go to bed early last night.
书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
句型转换DE 答题技巧
书山有路勤为径
学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
[例2] Let’s play basketball on the playground this afternoon. not play Let’s ______ ______ basketball on the playground. 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, decide (not) to do sth等。
书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
[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spend…on句型。 [例3] I must look after my sister well at home. I must ______ ______ ______ ______ my sister at home. 根据我们所学过的同义词组，look after sb well相当于take good care of sb.
书山有路勤为径
学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
(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.
[例1] They are looking for the boy in the city. doing What ______ are they ______ in the city? [例2] Ann flew to Beijing last year. do did What _____ Ann ______ last year?
书山有路勤为径
学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
(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。
[例1] They had lots of friends in China. didn’t many They _____ have ______ friends in China. [例2] I could dance and sing when I was five years old. or I couldn’t dance ______ sing when I was ______ five years old.
书山有路勤为径 学海无涯苦作舟
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
Fuqing Longtian Junior Middle School
[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. 很明显，这是两个简单句之间的转换，可 用not strong enough来填空。