成都初三半期考试英语第五单元

　　成都中考网2013年10月30日 成都初三半期考试英语第五单元

　　1. They both play soccer, don't they?

　　both“两者都”可以做形容词或代词。注意neither“两者都不”either“两者中的任意一个”。

　　       e.g. Both answer are right.

　　 Either of the answer is right.

　　           Neither of the answer is right.

　　           Either book is OK.

　　2. She’s the only one who's studying French.

　　   (1)定语从句。本句是一个定语从句，the only one是先行词。当定语从句的先行词指人，而先行词又是one / ones / anyone 或those / people时，引导关系词多用who, 而不用that.

　　e.g. Anyone who does this kind of job should be careful.任何做这种工作的人都应该很仔细。

　　(2)one用作代词时，指代上文中的某个可数名词

　　      e.g. I want a dictionary. Pass one to me.

　　      one指代的是同类可数名词中的任意一个，而it指代的是特定的某物。

　　      e.g. I don't have a book. Lend me one.

　　     The book is good. It is colorful.

　　3. It is less of a problem to be poor than to be dishonest. 贫穷比起不诚实来是更小的问题。

　　句型It is + adj. + n. + to do sth

　　e.g. It is the best time to swim.

　　      It is our greatest happiness to dedicate our youth to the country.

　　4. It must belong to Carla. 它肯定是卡拉的。

　　情态动词must, may, might, could, may, can't等表示推测，后接动词原形

　　 must 一定 肯定 (100%的可能性)

　　1)   may, could,might 有可能，也许   (20%－80%的可能性)

　　　     can’t 不可能，不会  (可能性几乎为0)

　　    The dictionary must be mine. It has my name on it.

　　    The CD might/could/may belong to Tony because he likes listening to classical music.

　　    The T-shirt can't be John's.It's much too small for him.

　　注：表推测时，might，could不是may和can 的过去式，而表示委婉语气

　　情态动词表示推测可以分为以下几种情况:

　　①情态动词+ do  此结构表示对现在或将来情况的推测和判断。

　　（1）She must / may / might / could arrive before 5. 

　　（2）She must/may/might/could walk miles and miles among the hills without meeting anyone.   

　　②情态动词+ be doing   此结构表示对现在或将来正在进行的情况的推测和判断。

　　    At this moment, my father can’t be working in the office.

　　    He must / may / might / could be listening to the radio now.

　　③情态动词+ have done   此结构表示对过去情况的推测和判断。

　　    It must / may / might / could have rained last night .The ground is wet.

　　　  The door was locked. He can (could) not / may (might) not have been at home.

　　④情态动词+ have been doing   此结构表示对过去正在进行的情况的推测和判断。

　　    Your mother must have been looking for you at that moment

　　⑤注：如果对以上情况进行否定推测时，通常用can’t和couldn’t.而mustn't表示“禁止”

　　That can’t be wrong. （对现在情况的否定推测）

　　She couldn’t have finished her homework. （对过去情况的否定推测）

　　2)could, would ,might表示委婉语气是 

　　e.g. -Could you please take out the trash? 

　　-Sure. I’ll do it right away. /Sorry, I can’t. I have to do my homework. 

　　-Would you like some fish?    

　　-Yes, please. /No, thanks.

　　3)情态动词还有will, should, need, shall, ought to等

　　  ①will可表“意愿”，用于各种人称陈述句。表“请求”，用于疑问句。

　　e.g. I will do anything for you. 

　　Will you close the window?

　　  ②should 表义务,“应该”（某件事宜于做）

　　       e.g. You should be polite to your teachers.  

　　       表推测，意为“想必一定、照说应该、估计”等。

　　       e.g. The film should be very good because it costs a lot of money.

　　  ③need既可做实义动词用，又可做情态动词用。做实义动词： need （需要, 要   求）  need + n. / to do sth ，做情态动词，只用原形need后加do，否定形式为need not。 need 的被动含义：need, want, require, worth（形容词）后面接doing也可以表示被动：need doing = need to be done

　　  e.g. -Need you go yet? -Yes, I must. / No, I needn't.

　　  ④shall用于第一人称。e.g. Shall I go home?

　　4)情态动词引导一般疑问句的特殊回答形式：

　　-----Could you…?        ---Must I…?                        

　　Yes, I can              ----   Yes, you must.

　　No, I can't /Sorry      No, you needn't./don't have t

　　----Need you…           -----May I….?

　　Yes, please             ----  Yes, I must                            

　　 Certainly

　　No, I needn't                       ----   No, you mustn't

　　Please don't

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