1、7BU7语法复习及同步练习教学重点情态动词；感叹句情态动词的用法1.can/could和 be able to的用法can/could和 be able to都可以表示能力，但can只有can和 could两种形式，其他时态要用 be able to；另外，was/were able to表示“过去经过努力能够做成了某件事”，而 could仅表示过去具备某种能力。can/could还可以表示请求或许可，表示请求时coud比can更委婉客气，给予许可时只能用can，不能用 could.表示推测时，can一般用于否定句，表示很有把握的否定推测；用于肯定句时则表示理论上的可能性或一时的情况。coul
2、d可以用于各种句式，表示可能性较大的推测2.may/might的用法may/might在问句中可以表示请求，在陈述句中可以表示许可或可能性。 might可作may的过去式，也可以作为单独的情态动词，表示请求时比may更委婉，表示可能性时比may的程度弱。may的一般疑问句，肯定回答应用may或can；否定回答则用cant或 mustnt，一般不用may not3.must和 have to的用法两者均可意为“必须”。must多表示说话人的主观愿望或看法，其否定形式 mustnt表示“禁止，不可以”；must的一般疑问句，肯定回答用must，否定回答则常用 neednt或 don t have
3、to have to表示客观的义务或需要，可用于各种句式和时态。must还可表示非常有把握的推测，一般用于肯定句4.need的用法need用作情态动词时，意为“需要，必要”，没有人称和数的变化，后跟动词原形，主要用于否定句或疑问句。need的一般疑问句，肯定回答用must，否定回答用neednt或dont have to5.shall/should和 had better的用法shall可用于第人称的疑问句中，表示说话人征求对方的意见或请求做某事；还可用于第二、三人称的陈述句中，表示说话人给对方的许诺、命令、警告、威胁等。should表示义务或责任，意为“应当，应该”；也可表示可能性、推测，意
4、为“可能，应该” had better意为“最好，应该”，后面接动词原形，否定式在 better）后加not6.used to的用法used to表示“过去常常.”，没有人称和数的变化，后跟动词原形；其否定形式为used not to或 didnt use to，一般疑问句形式是将used提到主语前面或用“Did.use to.？”结构7.used to和 be used to的区别used to后面跟动词原形，表示“过去常常.”，暗含“现在已不如此”的意思；be used to后面跟名词或动名词形式，表示“习惯（做）某事”感叹句一、感叹句的构成 1.What +a/an+形容词+名词单数+主
5、语+谓语+！ What a beautiful flower it is!感 2.What +形容词+名词复数+主语+谓语+！叹 What interest books these are!句 3.What+形容词+不可数数名词+主语+谓语+！结 What exciting news it is!构 4. How +形容词/副词+主语+谓语+！ How beautiful the flower is! How fast he runs!what与how互换：要注意名词前是否有冠词或者代词。eg: What bad weather!=How bad the weather is! 名词 主语 H
6、ow beautiful these flowers are!=What beautiful flowers! 主语 名词二、常见的不可数名词advice, change零钱, furniture家具, hair, homework, information, knowledge, money, news, progress, traffic，air，water，juice,knowledge,weather,work,fun,friendship友谊,music,bread,wealth,time等等。【同步练习】一、 单项选择 ( )1.The King of Pop, Michael J
7、ackson died _ the afternoon of June 25,2009 in America.A. on B. in C. of D. at( )2. _the coat _? $20. A. How much is; / B. How much is; cost C. How much does; cost D. A&C( )3. I _ten yuan on the book and Lilys book _ fifteen yuan. A. spend; spends B. cost; costs C. cost; spends D. spend; costs( )4.
8、The blue jeans _ 50 dollars. And that black pair of jeans _ 60 dollars.A. spend; is B. are; cost C. pay; are D. are; costs( )5. My cousin usually_ all day in watching TV at home on Sunday.A. cost B. costs C. spend D. spends( )6. There _ some cartons of juice, but there_ any milk. A. are; isnt B. are
9、; is C. is; arent D. is; isnt( )7. He_ at home. _ he is not. You can ring him up. A. maybe, may be B. may be ,may be C. may be ,maybe D. maybe, maybe ( )8. _blue clothes _good for our health.A. Wear, is B. Wearing, is C. Wear, are D. Wearing, are ( )9.-Is the shop_or_now? A open, close B open, closi
10、ng C .open, closed D .opening, close( )10. My shoes are old, Would you please _ me a new_.A. to buy, one B. buy,ones C. to buy, pair D. buy , pair( )11.Though his Math is very _,he tries his best _it.A.poor,to learn B.poorly,learning C.poor,learning D.poorly,to learn( )12.I am not _to buy this watch
11、.Would you please _money ？A.enough rich,borrow me some B.rich enough,to lend me anyC.enough rich,to lend me some D.rich enough,lend me some( ) 13. There _ some _ near my home. A. have; flower shops B. has ; flowers shop C. are; flower shops D. is; flowers shop( ) 14. The shopping mall is a good plac
12、e _ us _. A. to; go shopping B. for; go shopping C. to; to go shopping D. for; to go shopping二、 词汇运用 1. I want to buy some snacks in the supermarket. Could you please go_(起）with me?2. I want to buy some presents _(不同的）from Amys.3. I dont think the black coat _ (适合）you. You may change it.4. This bask
13、etball is very_ (昂贵的）.5. Our school is beautiful. What about_(they)?6. To keep _, all of us need vitamins.(health)7. Whose cars are those? They are the _. (swim).8. He likes fish very much, but my favourite is _(tomato).9. Good breakfast helps us start a new day_(good).10.My cousin_(not have) much t
14、ime to dance.三、句型转换。1. There will be a lot of monkeys and bears in the zoo.(改为否定句) There_ be any monkeys _ bears in the zoo.2. My computer is broken. (对划线部分提问) _ _ _ your computer?3. John often goes to school in his fathers car. (改成同义句) Johns father often _ _ _ school.4. Please remember that lions a
15、re dangerous. Dont go near them. (改成同义句) Please remember _ _ _ near lions, because they are dangerous.5. He ate a fortune (幸运)dumpling at dinner. The dumpling had a coin inside. (改成同义句) He ate a fortune dumpling _ a coin inside.6. The girls parents thanked the brave man because he saved her. (同义句改写)
16、The girls parents thanked the brave man_ _her.7. My penfriend hopes to get one letter from me at least once a month. (同义句改写)My penfriend hopes to_ _ _once a month.8 How strong Supermans hands are! (同义句改写)_ _hands Superman_!【思维拓展】Its never too old to run. This is quite true for an old man named Ray.
17、He just finished 75 marathons (马拉松) in 75 days at the age of 75. Its a record (记录)_1_ can believe! Ray wanted to raise 75,000 for a school which helps children with special_2_. So he decided to run the marathons. He began his challenge (挑战) in July_3_his 75th birthday.At first, the_4_man just finish
18、ed most of his marathons in and around his hometown. Then he_5_all over the world to finish all 75 marathons.Ray was a sportsman when he was young. He alsoran a big company before. During the marathon s, he need_6_to keep fit. But he didnt need toworry about that. Rays daughter is good at cooking. S
19、he cooked delicious and healthy food for him for the_7_challenge.When Ray finished his_8_marathon, he seemed to be in quite good condition (状态良好). He was very happy. But he said, “In some way, I dont want it to end. I _9_what I am going to do next.”“It was a wonderful time when I gavesomething to sc
20、hools. If I can help, thats all I want.” Truly, its nevertoo late to run and_10_. （ ）1. A. somebody B. nobodyC. everybodyD. anybody（ ）2. A. needsB. petsC. talksD. studies（ ）3. A. inB. at C. onD. of（ ）4. A. 75 years old B. 75-years-oldC. 75 year oldD. 75-year-old（ ）5. A. walkedB. flewC. droveD. swam（
21、 ）6. A. foodB. waterC. energyD. time（ ）7. A. whole B. exciting C. carefulD. dangerous（ ）8. A. nextB. firstC. all D. last（ ）9. A. checkB. wonder C. designD. agree（ ）10. A. hope B. raise C.exercise D. help【答案】一、ADDDC ACBCD ADCD二、1.together 2.different 3.suits 4.expensive 5.theirs 6.healthy 7.swimmers 8.tomatoes 9.well 10.doesnt have三、1.wont;or2.Whats wrong with3.drives him to4.not to go5.with6.for saving7.hear from me8.What strong;has
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