仁爱英语七年级(上下册)句型转换专练
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句型转换专练
一、由肯定句变为一般疑问句
1、谓语动词是be动词时,把be动词提前放句首大写,其他成分可照搬不动。
(注:在肯定句和一般疑问句中主语的一、二人称要互换。)
2、谓语动词中如果有情态动词,则把情态动词提前放句首大写,其他成分可照搬不动。(注:在肯定句和一般疑问句中主语的一、二人称要互换。)
3、谓语动词是行为动词的一般现在时或一般过去时,在改为一般疑问句的时候,根据主语的人称和单、复数,需要借助助动词do、does或did ,把助动词放句首大写,其他成分位置可不懂,有了助动词,动词就要用原形。
二、由肯定句变为否定句
肯定句变否定句一定要加not。谓语动词是be动词时或情态动词时,直接在be动词、情态动词后not 。除了be动词的am外,否定词not都可以和前面的be动词或情态动词缩写。如果谓语动词是行为动词的一般现在时或一般过去时,则要在动词前加助动词do、does 或did,再在其后添加否定词not,分别可以缩写为don't、doesn't和didn't ,有了助动词,动词就要用原形。
下面几种句型在变为否定句时情况特殊一些,做题时须引起注意:
(1) think + 宾语从句,变否定时,not放在主句上,即:I don't think + 宾语从句。eg. I think it will rain tomorrow .→ I don't think it will rain tomorrow .
(2) 祈使句没有主语,以动词原形开头。变为否定时,在动词原形之前添加助动词don't . eg. (1) Water the flowers .→ Don't water the flowers .
(2) Please clean the blackboard .→ Please don't clean the blackboard .
三、句子的单复数互换
对应句中的名词、代词、动词等,能变则变,不能变的,要么保留,要么去掉。要求必须掌握名词的单复数的变化规则,代词对应的人称和单复数,动词的第三人称单数的变化规则等。具体情况具体对待。(1) The girl is from England .→ The girls are from England .
(2) He is a polite and helpful boy .→ They are polite and helpful boys .
上述例句中,划线的为能变的,没划线的为该保留的,a(an)为该去掉的。反之,在由复数变为单数时,则要根据句意在名词之前补上一个a (an)。
eg. They are English girls .→ She is an English girl.
但是对于"There be"句型,单复数转换时句中的 a / an不能去掉,而要根据句式将其与some或any 互换。
eg. (1) There is a boat on the lake .→ There are some boats on the lake .
(2)There isn't a tree behind the house .→ There aren't any trees behind the house .
(3) Is there a pet dog in your home ?→ Are there any pet dogs in your home ?
(4) There aren't any pictures on the wall of our classroom .
→ There isn't a picture on the wall of our classroom .
四、同义句转换(词汇的同义转换、句型的同义转换)
五、对句中的划线部分提问
1、首先根据划线部分确定疑问词,将疑问词放句首大写。
主要的疑问词有:what , who , when , whose , where , why , which , how , how old , how many , how much , how long , how often , how soon , how far等。
what:用来询问事物、人的姓名和职业。另外,和不同的词一起使用还可询问具体的方面,如what time询问时间,what colour询问颜色等。
who :用来询问人,尤其指人与人之间的关系。whose:用来询问归属,即和人之间的所有关系。when :用来询问时间,一般指较大的时间范围。(小范围的时间可用what time)where :用来询问地点。which :用来询问哪一个,主要针对名词的定语提问。
why :用来询问原因,标志是because . how :用来询问方式、程度。
how old :用来询问年龄。how many用来询问可数名词的数量,其后要接名词的复数形式。how much:用来询问不可数名词的数量,其后要接不可数名词。如单独使用则表示询问多少钱或对事物了解或喜欢的程度。how long :用来询问事物的长度,也可询问时间长度。how often :用来询问某件事或某个动作在一定的时间范围内重复发生的次数,即频度。
how soon:用来询问某件事或某个动作从说话时候起要过多久才会发生,即询问将来的情况,一般与将来时态连用。how far :用来询问空间距离。
2、把原句变为一般疑问句。
3、划线部分省略。
注:如果句中的划线部分是主语或主语的定语,则可用疑问词直接替换而不用一般疑问句的语序。
eg.1、The boy on the yellow bike is Lucy's brother .
本句中的划线部分on the yellow bike 在句中作主语The boy 的定语,限定是哪一个男孩,因而确定的疑问词是which, 直接替换后的句子为: Which boy is Lucy's brother ? 【练习题】
1. Is this a ruler?(作否定回答) ____, it ____.
2. Dick is sixteen.(对画线部分提问) ____ ____ is Dick?
3. That’s an English book.(改为复数句) ____ ____ English books.
4. They are in Class One, Grade Seven.(对画线部分提问) ____ class are they ____?
5. That is my mom.(对画线部分提问) ____ ____ that?
6. Are you from China?(作肯定回答) ____, I ____.
7. I’m Li Hua.(同义句转换) ____ ____ is Li Hua.
8. These are desks in English.(对画线部分提问) ____ ____ these in English?
9. I am in Grade Seven.(改为一般疑问句) ____ ____ in Grade Seven?
10. He has short hair.(改为一般疑问句) ____ he ____ short hair?
11. Do you have a sister?(作否定回答) ____, I ____.
12. She has long legs.(同义句转换) ____ legs ____ long.
13. I am from China.(同义句转换) I ____ ____China.
14. We aren’t in the same class.(同义句转换) We are in ____ ____.
15. My pants are black.(对画线部分提问) ____ ____ are your pants?
16. Mike has blond hair and blue eyes. (对画线部分提问) ____ ____ Mike look like?
17. Li Ming and Li Lei look the same.(同义句转换) Li Ming ____ ____ Li Lei.
18. Please give her the pen.(同义句转换) Please give the pen ____ ____.
19. Those apples are red.(同义句转换) Those are ____ ____.
20 They are my books. (对画线部分提问) ____ ____ are they?
21. She has black hair. (改为一般疑问句) ____ she ____ black hair?
22. Her skirt is yellow. (对画线部分提问) ____ ____ is her skirt?
23. Tom’s face is round. (同义句转换) Tom ____ ____ round face.
24. Does Mary have a round face? (作肯定回答) ____, she ____.
25. She has a new bike.(改为否定句) She ____ ____ a new bike.
26. They are English.(同义句转换) They are ____ ____.
27. My sister is eleven.(对画线部分提问) ____ ____ is your sister?
28. Tom has big eyes.(改为一般疑问句) ____ Tom ____big eyes?
29. They are their apples.(对画线部分提问) ____ ____ are these?
30. The dress is only 30 yuan.(对画线部分提问) ____ ____ is the dress?
31. May I help you?(同义句转换) ____ can I ____ ____ you?
32. How do you like this book?(同义句转换) ____ do you ____ of this book?
33. I want some fish.(改为否定句) I ____ want ____ fish.
34. Do you have time now?(同义句转换) ____ you ____ now?
35. John has a nice dog. (改为一般疑问句) ____ John ____ a nice dog?