小升初情態(tài)動詞

1、小升初英語專項練習(xí)：情態(tài)動詞一、情態(tài)動詞的定義：情態(tài)動詞有詞義，但它不能單獨(dú)作謂語，它必須和其他動詞一起構(gòu)成謂語。情態(tài)動詞沒有人稱和數(shù)的變化；它的后面必須跟動詞原形。二、情態(tài)動詞的種類：情態(tài)動詞有 can (could), may, must, have to, shall (should), will (would), need等，這些是小學(xué)階段需掌握的情態(tài)動詞。三、情態(tài)動詞的用法：一、can, (could 過去式1) 表示能力體力、知識、技能。Can you lift this heavy box?體力Mary can speak three Ianguages.知識Can you sk

2、ate? 技能2) 表示請求和允許。Can I go now?Could Can you help me?Yes, of course.'Certa ini y. Sure.Could Can you tell me the way to the Zoo?3) 表示推測驚訝、疑心、不相信的態(tài)度，用于疑問句、否認(rèn)句和感慨句中。Can this be true? This can ' t be done by him. How can this be true?二、may1)表示請求和允許。否認(rèn)答復(fù)時可用can'或mustn' t，表示"不可以，禁止。Ma

3、y I smoke in this room? No, you mustn ' t.May I take this book out of the room? Yes, you can. (No, you can ' t / mustn ' t)用May I. ?征徇對方許可時比擬正式和客氣，而用Can I.？在口語中更常見。2表示推測、可能性不用于疑問句。1. He may be very busy now.2. Your mother may not know the truth.3用于祈使句，表示祝愿。May you succeed!三、must, have to

4、1) must表示必須、必要，帶有命令強(qiáng)制口氣；而 have to表示不得不，很勉強(qiáng)，強(qiáng)調(diào)客觀需 要。 You must come in time. We must help each other.My sister is ill; my mother has to look after her. I had to work whe n I was your age.注意：must的否認(rèn)形式 mustn'表示禁止，意思是"不能，不許。在答復(fù)由must引起的疑問句時，如果是否認(rèn)的，不能用mustn'禁止，不準(zhǔn)，而用needn' t,don' t have

5、 to 不必要Must we hand in our exercise books today?- Yes, you must. No, you don ' t have to / you needn' t.2) must表示推測、可能性只用于肯定的陳述句，意思為“一定是，必然。1. You' re Tom ' s good friend, so you must know what he likes best.2. Your mother must be wait ing for you now.四、shall,1) shall用于第一人稱，征求對方的意見。W

6、hat shall we do this evening?2) shall用于第二、三人稱，表示說話人給對方的命令、警告、允諾或威脅。1. You shall f ail if you don ' t work hard.() 警告2. He shall have the book when I finish it.( 允諾)3. He shall be punished.(威脅)五 should 和 shouldn '表示 應(yīng)該 勸告、建議。I should help her because she is in trouble.You should go to class r

7、ight away. She shouldn ' t play computer games too much. 六、will 過去式would1_做助動詞，表示一般將來時，將要。He will be home at six. Bob will leave school n ext mon th.2作為情態(tài)動詞時表示“愿意“意愿“會。I will help you. I will n ever do that aga in.Will / Would you pass me the ball, please?一根據(jù)所學(xué)情態(tài)動詞，填寫適當(dāng)形式。1you like to go fish in

8、g with me?2I go home now? No, youstay here.3 Youtake more exercise.4The clocktell us the time. 5you tell me how to get to the Qingyun Park?6My mother is ill. Istay at home and look after her.7you like some tea? 8 Must I borrow the book with my ID card?No, you.9I use your car? Yes, you.10we play foot

9、ball this after noon?二按要求改寫句子。1. I can swim fast. Ifast.否認(rèn)句2. You must return the books now. 一般疑問句 -I the books now? - No, you3. They could take the books out of the room.否認(rèn)句Theythe books out of the room.4. He can play basketball well.5. You should get up early.6. Could I borrow your pen?三對劃線局部提問。一般

10、疑問句否認(rèn)句You肯定否認(rèn)答復(fù)_ hebasketball well?get up late.A. fini shesB. finishingC. fini shedD. finishA. cameB. comesC. comeD.will comeA. givi ngB. givesC. give nD.giveB. starti ngC. startD.startsB. WillC. AreD. DoA. must n'tB. can'tC. could n't D.may notA. couldB. mightC. shouldD. would2. We shou

11、ld plant more trees.1. We must n'tpick the flowers in the park.3. I would you likesome cakes to eat? 4. She could swim five years ago.5. We should protect an imals because they are our good friends .his sister.6. Tom could go to the cinema 電影院with四、圈出正確答案。1Lucy should her homework now.2My mother

12、 would back soon.3Could you me a hand.4Should I _ now.A. started5 I take this one?A. Could6- Can you speak English? - No, I7You go and see a doctor because you had a fever 發(fā)燒.D. shouldD. must n'tB. might C. would8Jimcome tonight, but he isn't very sure yet. A. should9The childre n play footb

13、all on the road.A. could n'tB. could C. must10- Can I take this book out. - No, you 一A. must not B. could notC. will n otD. aren't11I like to go with you. A. could B. would C. should D. willA. couldB. wouldC. shouldD. will13Youwatch TV after finishing your homework.A. wouldB. canC. mustD. sh

14、ould14It is late. Igo home now. A. could B. would C. should D. will15- What I do at the meeting? A. has to B. would like C. should D. not should16you tell me where the WenHua Market is? A. could B. must C. should D. have1 John_ come to see us tonight, but he isn't very sure yet.A. may B. need C.

15、 can ' t D. must2 John isn ' t in the classroom. He play soccer on the playground with Bob.A. canB. must C. shouldD. can ' t3 Thatnot be her husba nd . She is still sin gle.A. may C. could D. might 4Yougo and see a doctor at once because you got a fever.A. canB. must C. dareD. would5 -Ca

16、 n you speak Japa nese? -No, I6 -Hebe in the classroom, I thi nk.A. must n't B. can't C. n eed n'tD. may not-No, hebe in the classroom. I saw him go homea minute ago. can; may not7 -Is Lena swimmi ng in the pool?A. may not B. must not8 He isn't at school. I thi nk heI"upset9 - What do you thinkB. must; may not-No, sheC. can'tbe ill. A. ca