中考英语复习——句型转换(共23张PPT)

[例3] The doctor could help that people. The doctorc_o_u_l_d_n’_t _h_e_l_p that people.
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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。
Let’s __n_o_t__ __p_la_y__ 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。
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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。
[例1] They had lots of friends in China. They _d_i_d_n_’thave _m__a_n_y_ friends in China.
[例2] I could dance and sing when I was five
years old. I c_o_u_l_d_n_’tdance __o_r___ sing when I was
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(2) 对划线部分提问
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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。
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b. 划线部分如是谓语动词，应该用 do的形式来取代。
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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：
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（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。
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 w__e_re_n_’_t _h_a_p_p_y_ to see their uncle.
[例2] Mr. Smith works hard every day. Mr. Smith _d_o_e_s_n_’t __w_o_r_k_ hard every day.
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中考英语复习 句型转换
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c. 注意： 如果肯定句中含有some，and，a
lot of\lots of，already，too\also, both…and, everything\everyone\everybody, always等词 (组)，要变为any，or，much\many，yet， either, neither…nor, nothing\nobody, never。
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
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(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。
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[例2] It took him two hours to do these
five years old.
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d. 否定前移 [例] He can make a model plane, I
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Let’s…句用shall we；
d. 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。
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. _W__h_o_se_ __h_a_t__ is this?
[例2] The man in the car is my father’s friend. _W__h_ic_h_ __m_a_n__ is _y_o_u_r__ father’s friend?
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[例2] Let’s play basketball on the playground this afternoon.
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[例4] They were tired, so they had a rest. They had a rest ______ they were tired.
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.
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(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：
[例1] He was so clever.
_W__a_s__ ___h_e__ so clever?
[例2] John felt happy at that time.
__D_i_d__ John __f_e_e_l_ happy at that time?
[例3] We can fly to the moon one day.
[例1] They are looking for the boy in the city.
_W__h_a_t _ are they _d_o_i_n_g_ in the city?
[例2] Ann flew to Beijing last year. What _d_i_d__ Ann __d_o___ last year?
think. (否定句) I _d_o_n_’t__ think he __c_a_n__ 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.
Mother told me ___n_o_t _ __t_o___ go to bed early last night.
[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。
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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。
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_C__a_n__ __y_o_u__ fly to the moon one day?
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