一般现在、过去、将来练习题及答案
一般现在时与一般过去时练习题及答案
一般现在时与一般过去时练习题及答案一、选择题1. My brother _______ football every weekend.A. playB. playsC. playedD. playing2. She usually _______ up at 7 o'clock in the morning.A. getB. getsC. gotD. getting3. They _______ lunch at the cafeteria every day.A. haveB. hasC. hadD. having4. Last year, I _______ to Japan for vacation.A. goB. goesC. wentD. going5. Sarah _______ her homework after dinner.A. doB. doesC. didD. doing答案：1. B2. B3. A4. C5. B二、填空题1. They often _______ (watch) movies at the cinema on weekends.2. My father usually _______ (read) the newspaper in the evening.3. Last month, we _______ (travel) to Europe.4. She _______ (not like) coffee, she prefers tea.5. Yesterday, I _______ (meet) my old friend at the park.答案：1. watch2. reads3. traveled4. doesn't like5. met三、改错题1. He go to school by bus every day.改为：He goes to school by bus every day.2. We saw a movie yesterday evening.改为：We see a movie yesterday evening.3. They doesn't like swimming in the pool.改为：They don't like swimming in the pool.4. Last weekend, she went to shopping with her friends.改为：Last weekend, she went shopping with her friends.5. My sister usually cook dinner for the family.改为：My sister usually cooks dinner for the family.答案：1. go → goes2. s aw → see3. doesn't → don't4. to shopping → shopping5. cook → cooks四、句型转换1. He watches TV every evening. (改为否定句)He doesn't watch TV every evening.2. They played soccer yesterday. (改为一般疑问句)Did they play soccer yesterday?3. She goes to the gym twice a week. (对划线部分提问) How often does she go to the gym?4. I usually eat breakfast at 7 o'clock. (改为过去时态)I usually ate breakfast at 7 o'clock.5. The cat sleeps all day. (改为否定句)The cat doesn't sleep all day.答案：1. 否定句：He doesn't watch TV every evening.2. 一般疑问句：Did they play soccer yesterday?3. 对划线部分提问：How often does she go to the gym?4. 过去时态：I usually ate breakfast at 7 o'clock.5. 否定句：The cat doesn't sleep all day.总结：通过这些练习题，我们可以巩固和加深对一般现在时和一般过去时的理解和应用。
(完整版)英语全部时态练习题及答案
英语时态练习题（一般现在、一般过去、一般将来、过去将来、现在进行、现在完成、过去完成、过去进行、将来进行、将来完成）1. The teacher said that the earth _____ around the sun.A. movedB. movingC. movesD. is moving2. Charlie____here next monthA.isn’t workingB.doesn’t workingC.isn’t going to workingD.won’t work3. Will you please say it again? I ________ quite _______ you.A. didn’t, hearB. don’t, heardC. didn’t, heardD. don’t, hear4. The report said that the film star ________ to Henan next Sunday.A. would comeB. will comeC. cameD. would came5. How ________ Mr. Brown ___________ to America?A. do, goB. is, goC. does, goD. does, goes6. By the time tomorrow, you __________your homework.A. would finishB. finishC. will have finishedD. will finish7.There____a meeting tomorrow afternoon.A.will be going toB.will going to beC.is going to beD.will go to be8. -Mum, may I go out and play basketball?-____ you______ your homework yet?A. Do; finishB. Are; finishingC. Did; finishD. Have; finished9.He_____very busy this week, he______free next week.A. will be; isB. is; isC. will be; will beD. is; will be10. ---Is your father a doctor?---Yes, he is. He ______ in Town Hospital.A. has workedB. is workingC. worksD. worked11. What _____ you _______ at 6 o’clock tomorrow?A. will, be doingB. are, doingC. will, have doneD. are, have done12. He _________ TV from seven to nine last night.A. is watchingB. has watchingC. has watchedD. was watching13.My brother _______ while he ________ his bicycle and hurt himself.A. fell, is ridingB. fell, was ridingC. falls, is ridingD. falls, was riding14. Physics _____ much harder than English, I think.A. areB. isC. wasD. were15. While he ________ for the bus, he _________ a newspaper.A. is waiting, was readingB. waits; readsC. waits, is readingD. was waiting, was reading16. -Have you ever______Lintong to see the Terra Cotta Warriors? -Yes, I have.A. went toB. gone toC. been inD. been to17. Look. they _________ a good time, _________ they?A. have, doB. have, don'tC. are having, areD. are having, aren't18.He _______ asleep when he _________.A. falls, is readingB. fell, was readingC. will fall; readsD. was falling; was reading19. I won't go to the concert because I ____my ticket.A. lostB. don't loseC. have lostD. is losing21. I_____a letter from him since he left.A. don't getB. haven't gotC. didn't getD. hadn't got22. Listen! They _______ in the next room.A. singB. is singingC. are singingD. were singing23. —What _____ you _______ last week? —I bought a bag.A. did ,buyB. did , boughtC. do, buyD. do, bought24. He ________ Canada, but now he is working in our company.A. has been inB. has been toC. has gone toD. have been to25. Mr. Li in not at home. He _________ Shanghai.A. has been inB. has been toC. has gone toD. have been to26. ---Mary, could you help me? ---Wait a moment. I ____.A. read a bookB. did my homeworkC. was watching TVD. am cooking dinner.27.She _______ to bed until she ________ he work.A. didn’t go; had finishedB. didn’t go; have finishedC. doesn’t go; had finishedD. didn’t go; finished28. Lucy is always busy. She ____ only five hours every day.A. is sleepingB. will sleepC. would sleepD. sleeps29. He said that he ________ his homework.A. finishedB. had finishedC. did finishD. has finished30. It’s eight o’clock. The students ______ an English class.A. haveB. havingC. is havingD. are having英语时态练习题（一般现在、一般过去、一般将来、过去将来、现在进行、现在完成、过去完成、过去进行、将来进行、将来完成）1. The teacher said that the earth _____ around the sun yesterday.A. movedB. was movingC. movesD. is moving2. Charlie____here next month.A.isn’t workingB.doesn’t workingC.isn’t going to workingD.won’t work3.Will you please say it again? I ________ quite _______ you.A. didn’t, hearB. don’t, heardC. didn’t, heardD. don’t, hear4. The report said that the film star ________ to Henan next Sunday.A. would comeB. will comeC. cameD. would came5. How ________ Mr. Brown ___________ to America?A. do, goB. is, goC. does, goD. does, goes6. By the time tomorrow, you __________your homework.A. would finishB. finishC. will have finishedD. will finish7. There____a meeting tomorrow afternoon.A. will be going toB. will going to beC. is going to beD. will go to be8. -Mum, may I go out and play basketball?-____ you______ your homework yet?A. Do; finishB. Are; finishingC. Did; finishD. Have; finished9.He_____very busy this week, he______free next week.A. will be; isB. is; isC. will be; will beD. is; will be10. ---Is your father a doctor?---Yes, he is. He ______ in Town Hospital.A. has workedB. is workingC. worksD. worked11. What _____ you _______ at 6 o’clock tomorrow?A. will, be doingB. are, doingC. will, have doneD. are, have done12. He _________ TV from seven to nine last night.A. is watchingB. has watchingC. has watchedD. was watching13.My brother _______ while he ________ his bicycle and hurt himself.A. fell, is ridingB. fell, was ridingC. falls, is ridingD. falls, was riding14. Physics _____ much harder than English, I think.A. areB. isC. wasD. were15. While he ________ for the bus, he _________ a newspaper.A. is waiting, was readingB. waits; readsC. waits, is readingD. was waiting, was reading16. -Have you ever______Lintong to see the Terra Cotta Warriors? -Yes, I have.A. went toB. gone toC. been inD. been to17. Look. They _________ a good time, _________ they?A. have, doB. have, don'tC. are having, areD. are having, aren't18.He _______ asleep when he _________.A. falls, is readingB. fell, was readingC. will fall; readsD. was falling; was reading19. I won't go to the concert because I ____my ticket.A. lostB. don't loseC. have lostD. is losing21. I_____a letter from him since he left.A. don't getB. haven't gotC. didn't getD. hadn't got22. Listen! They _______ in the next room.A. singB. is singingC. are singingD. were singing23. —What _____ you _______ last week? —I bought a bag.A. did, buyB. did, boughtC. do, buyD. do, bought24. He ________ Canada, but now he is working in our company.A. has been inB. has been toC. has gone toD. have been to25. Mr. Li in not at home. He _________ Shanghai.A. has been inB. has been toC. has gone toD. have been to26. ---Mary, could you help me? ---Wait a moment. I ____.A. read a bookB. did my homeworkC. was watching TVD. am cooking dinner.27.She _______ to bed until she ________ he work.A. didn’t go; had finishedB. didn’t go; have finishedC. doesn’t go; had finishedD. didn’t go; finished28. Lucy is always busy. She ____ only five hours every day.A. is sleepingB. will sleepC. would sleepD. sleeps29. He said that he ________ his homework.A. finishedB. had finishedC. did finishD. has finished30. It’s eight o’clock. The students ______ an English class.A. haveB. havingC. is havingD. are having。
一般现在时练习题及答案
一般现在时练习题及答案一般现在时练习题及答案一般现在时是英语中最基本的时态之一，用于描述经常性、习惯性或普遍性的动作或状态。
在日常生活中，我们经常使用一般现在时来表达我们的日常活动、兴趣爱好、职业等等。
下面是一些一般现在时的练习题及答案，帮助你巩固这个时态的用法。
练习题一：1. 我通常（go）去学校。
2. 他每天（read）一小时的书。
3. 我们经常（play）足球。
4. 你的父母每天晚上（watch）电视吗？5. 他们从不（eat）肉。
6. 我们的猫经常（sleep）在沙发上。
7. 你们什么时候（have）英语课？8. 他们总是（go）购物。
9. 她经常（listen）音乐。
10. 他们每天早上（drink）咖啡。
答案：1. go2. reads3. play4. do your parents watch5. eat6. sleeps7. do you have8. go9. listens to10. do they drink练习题二：1. 你通常几点起床？2. 他们每周末去哪里？3. 你的朋友们喜欢什么运动？4. 你们的狗喜欢吃什么食物？5. 他们多久去一次健身房？6. 你们的邻居是干什么的？7. 你每天晚上做什么？8. 他们有多少个孩子？9. 你喜欢什么颜色？10. 他们通常什么时候吃晚饭？答案：1. What time do you usually get up?2. Where do they go on weekends?3. What sports do your friends like?4. What food does your dog like?5. How often do they go to the gym?6. What do your neighbors do?7. What do you do every evening?8. How many children do they have?9. What color do you like?10. When do they usually have dinner? 练习题三：1. 我们经常（go）购物。
一般现在时和一般过去时练习及答案
一般现在时和一般过去时练习及答案一)、单选1 Jenny ____ in an office. Her parents ____in a hospital.A work; worksB works; workC work; are workingD is working; work2 One of the boys_____ a black hat.A haveB there isC there areD has3 We didn't go shopping because it____ yesterday.A don't rain Bdidn't rain Crains Drained4 The sun ____in the east and ____in the west.A rose; setB rises; setsC rises, setD rise; sets5 Wang Mei ____ music and often ____ to music.A like; listenB likes; listensC like; are listeningD liking ; listen6 Jenny____ English last night.A has studyB studiesC studyD studied(二)、填空1 I can take Li Ming there when he __comes___ ( come) to visit.2 _Does____your sister_know____(know)English?3The pot__doesn't___(not look) like yours very much.4Who__wants___(想要 )to go swimming?5 _Does_____she_do____(do) the housework every day?6 Jenny and Danny usually_play_____(play) games in the afternoon .7. I _____had____ (have) an exciting party last weekend.8. __Did_______ she __pratice_______(practice) her guitar yesterday? No, she __didn't_______.9. What _did_______ Tom __do______ (do) on Saturday evening?He ___watched_____(watch) TV and __read________(read) an interesting book.10. They all _went________(go) to the mountains yesterday morning.11. She __didn't visit_______(not visit) her aunt last weekend.三、改写句子：1、Lucy did her homework at home.（改否定句）Lucy __didn't do_________ ___________ her homework at home.2、He found some meat in the fridge（冰箱）.（变一般疑问句)__Did_________he ___find___________any_______meat in the fridge?3、She stayed there for a week.（对划线部分提问）___How_______ __long_________ ___did_______ she __stay________ there?4、There was some orange in the cup.（变一般疑问句)___Was______ there _____any______ orange in the cup?5．Her name is Mei Ling.（对划线部分提问）What's her name?6．We go to evening school at night.（改否定句）We don't go to evening school at night.7．My brother works in a radio factory.（变一般疑问句) Does your brother work in a radio factory?8．You have a red pencil.（变一般疑问句) Do you have a red pencil?选择题答案为红色的。
一般现在时-现在进行时-一般过去时练习题及答案
一般现在时-现在进行时-一般过去时练习题及答案Light _____much faster than sound.A. travelB. travelsC. to travelD. traveling答案：B思路分析：浏览题干可知句意为“光（传播的速度）比声音（传播的速度）要快得多”。
这是一个客观真理，故用一般现在时。
light作主语，且是第三人称单数，故谓语动词也用第三人称单数形式。
The boys _____ students.A. amB. isC. areD. be答案：C思路分析：根据主语the boys是复数可知谓语动词应用复数形式。
be是动词原形，am对应的主语是I，is对应的主语是第三人称单数，故只有are最合适。
句意为“这些男孩是学生”。
He usually _____early and _____ English in the morning.A. gets up; readB. get up; readsC. get up; readD. gets up; reads思路分析：浏览题干，usually意为“通常”，是一般现在时的标志词；主语he是第三人称单数，故谓语动词也用单数形式；and连接两个并列的动作，故两个动词都用单数形式。
符合题意的只有D项。
句意为“他通常早晨早起读英语”。
She often _____ supper with her grandmother.A. haveB. hasC. is haveD. is has答案：B思路分析：浏览题干和各选项可知句意为“她经常和奶奶一起吃晚饭”。
表示“吃”的have是实义动词，故句中不可再用系动词is，排除C，D两项；主语she是第三人称单数，故谓语动词也用第三人称单数形式has。
The story _____interesting and we _____it very much.A. sounds; are likingB. is sounding; likeC. sounds; likeD. sound; likes答案：C思路分析：浏览各选项可知sound, like是表示感觉的词，常用于一般现在时。
一般现在时一般过去时一般将来时现在进行时混合练习2附答案
、根据要求改写下列句子。
1.This is my pencil. （变为一般疑问句）Is this your pencil?2.She is going on a trip to Beijing now.用I 做主语改写句子）I am going on a trip to Beijing now.3.He found some meat in the fridge. （改为一般疑问句）Did he find any meat in the fridge?4.It is going to be a fine day tomorrow. （改为否定句）It isn’t going to be a fine day tomorrow.5.I stay at home on Saturdays.对划线部分提问）What do you do on Saturdays?6.That bird is red.（对划线部分提问） What color is that bird?7.They are having lunch at school at the moment.对划线部分提问） What are they doing at school at the moment?8.Lucy doesn't have sports every day. （变为肯定句）Lucy has sports every day.9.She stayed there for a week.对划线部分提问）How long did she stay there?10.He came backjust now.（用in two days 改写句子）He will come back in two days.11.He likes the black bag very much. （变为否定句）He doesn't like the black bag at all.12.I spend only 45 yuan on the coat.（用she 改写句子）She spends only 45 yuan on the coat.13.There were some oranges in the cup. （改为一般疑问句） Were there any oranges in the cup?14.I am going to come to the get-together tomorrow. （改为一般疑问句） Are you going to come to the get-together tomorrow?15.The girl is sitting on the blue box. （改为一般疑问句）Is the girl sitting on the blue box?16.She lives in a small town near Beijing. （改为一般疑问句）Does she live in a small town near Beijing?17.--- Will the twins buy the red T-shirt? （做肯定回答）--- Yes, they will.18.is, what, the girl, over there, in red, doing （?）（连词成句）What is the girl in red doing over there?19.Amy took some photos at the zoo last Saturday. （改为否定句） Amy didn't take any photos at the zoo lastSaturday.20.We have a music class on Thursday.用right now 改写句子） We are having a music class right now.21.Mr. Brown will visit the Great Wall next summer.对划线部分提问） What will Mr. Brown do next summer?22.Do you often take exercise?（用now 改写句子）Are you taking exercise now?23.Lucy did her homework at home. （改为否定句）Lucy didn't do her homework at home.24.He is writing a song on the computer now.用last night 改写句子） He wrote a song on the computer last night.25.I’m going t o listen to music next Sunday.对话向部分提问） What are you going to do next Sunday?26.I arrived just a few minutes ago.对划线部分提问） When did you arrive?27.He is doing his homework. （改为复数句） They are doing their homework.28.Daniel will meet you at the airport this evening. （改为一般疑问句） Will Daniel meet you at the airport thisevening?29.We’ll be bac k in about an hour.对划线部分提问） How soon will you be back?30.Robert was a taxi-driver. （改为同义句） Robert used to be a taxi-driver.31.Everyone in enjoying themselves. （改为同义句） Everyone is having a good time.32.There are two libraries in that town. （用next year 改写句子） There will be two libraries in that town next year.33.Tony is going to play football with us.对划线部分提问） Who is going to play football with us?34.It's an English-Chinese dictionary.（对划线部分提问） What is it?二、单项选择。
一般现在时一般将来时一般过去时习题带答案
1) He is very tired. He doesn’t want to do _______.A.somethingB.nothingC.everythingD.anything2) Everyone ______ here last Monday.A.wereB.isC. areD. was3) 3. It’s time ____class.A.for haveB. haveC. to haveD. to having4) We ________ the work this way next time.A. doB. will doC. going to doD. will doing5) He helped his mother clean the rooms and then ____ his homeworkyesterday afternoon.A. doB.doingC. doesD. did6) Jenny ____ in an office. Her parents ____in a hospital.A work; worksB works; workC work; are workingD is working; work7) There ________ a birthday party this Sunday.A. shall beB. will beC. shall going to beD. will going to be8) One of the boys_____ a black hat.A haveB there isC there areD has9) Mother ________ me a nice present on my next birthday.A. will givesB. will giveC. givesD. give10) Wang Mei ____ music and often ____ to music.A like; listenB likes; listensC like; are listeningD liking listen11) Jenny____ English every evening.A has studyB studiesC studyD studied12) 9.My father ill yesterday．A． isn't B． aren't C． wasn't D． weren't13) He ________ to us as soon as he gets there.A. writesB. has writtenC. will writeD. wrote14) your parents at home last week﹖A． Is B． Was C． Are D． Were15) your father at work the day yesterday﹖A． Was; before B． Is; before C． Was; after D． Is; after 16) —Who was on duty last Friday﹖—＿＿＿．A． I am B． I was C． Yes, I was D． No, I wasn't17) . Charlie ________ here next month.A. isn’t workingB. doesn’t workingC. isn’t going to workingD. won’t work1-5 DDCBD 6-10 BBDBB 11-15 BCCDA 16-17 BD。
所有时态综合练习题
所有时态综合练习题在语言学习中，时态一直是一个重要的概念。
正确理解和使用时态是准确表达时间、条件、可能性等意思的关键。
为了帮助大家更好地理解和使用各种时态，我们提供了一份综合练习题。
一、现在简单时（Simple Present Tense）1、I ______ (watch) TV every night.2、They ______ (go) to school every morning.3、He ______ (write) a letter to his friend last week.二、现在进行时（Present Continuous Tense）1、I ______ (cook) dinner right now.2、They ______ (play) football at the moment.3、She ______ (call) you when she arrives.三、现在完成时（Present Perfect Tense）1、I ______ (finish) my homework already.2、They ______ (visit) the museum last weekend.3、He ______ (hear) from his brother in the last few days.四、过去简单时（Simple Past Tense）1、We ______ (watch) a movie last night.2、They ______ (go) to the park yesterday.3、She ______ (write) a poem yesterday.五、过去进行时（Past Continuous Tense）1、I ______ (be) in the library at that time yesterday.2、They ______ (play) in the park when it started to rain.3、She ______ (read) a book while we were talking.六、过去完成时（Past Perfect Tense）1、I ______ (read) the book before I went to bed.2、They ______ (finish) their homework when the teacher came in.3、She ______ (talk) to her friend before she came to the party. 以上是各种时态的练习题，希望可以帮助大家更好地理解和使用这些时态。
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一、单项选择。
( ) 1. There __________ a meeting tomorrow afternoon.A. will be going toB. will going to beC. is going to beD. will go to be( ) 2. Charlie ________ here next month.A. isn’t workingB. doesn’t workingC. isn’t going to workingD. won’t work( ) 3. He ________ very busy this week, he ________ free next week.A. will be; isB. is; isC. will be; will beD. is; will be( ) 4. There ________ a dolphin show in the zoo tomorrow evening.A. wasB. is going to haveC. will haveD. is going to be( ) 5. –________ you ________ free tomorrow?–No. I ________ free the day after tomorrow. A. Are; going to; will B. Are; going to be; will C. Are; going to; will be D. Are; going to be; will be( ) 6. Mother ________ me a nice present on my next birthday.A. will givesB. will giveC. givesD. give( ) 7. –Shall I buy a cup of tea for you?–________. （不，不要。
）A. No, you won’t.B. No, you aren’t.C. No, please don’t.D. No, please.( ) 8. – Where is the morning paper? – I ________ if for you at once.A. getB. am gettingC. to getD. will get( ) 9. ________ a concert next Saturday?A. There will beB. Will there beC. There can beD. There are( ) 10. If they come, we ________ a meeting.A. haveB. will haveC. hadD. would have( )11.Jenny ____ in an office. Her parents ____in a hospital.A work worksB works workC work are workingD is working work( )12. One of the boys_____ a black hat.A haveB there isC there areD has( )13. We will go shopping if it____ tomorrow.A don't rain Bdidn't rain Cdoesn't rain Disn't rain( )14. He said the sun ____in the east and ____in the west.A rose; setB rises; setsC rises, setD rise; sets( )15. Wang Mei ____ music and often ____ to music.A like; listenB likes; listensC like; are listeningD liking ; listen( )16. Jenny____ English every evening.A has studyB studiesC studyD studied( )17.The teacher____the blackboard yestetday.He used a computer.ed notB.didn't useC.does not use( )18.___you___in the library this morning?A.DO,studiedB.Did,studiedC.Did,study( )19.The students___to have a party.They did it last week.A.planedB.plannedC.plan( )20.Lily___to the beach with prof .Green .They had a swim there.A.goedB.goesC.went( )21.Prof .Green___sick yesterday,He ___a fever .New he still feels weak.A.is,hasB.was,haveC.was,had( )22.___the teacher___at this college last year ?Yes,he did.A.Did,taughtB.does,teachC.Did,teach( )23.We___in the sea.Thewater was too cold.A.swam notB.didn't swimC.didn't swam( )24.___there many trees on the campus?No,but now we have many everywhere.A.WereB.HadC.Did have( )25.I like English food now.But I___it very much.A.didn't likedB.didn't likeC.don't like二、动词填空。
1. I am afraid there ______（be）a meeting this afternoon. I can’t join you.2. Mike ______（believe, not）this until he ______（see）it with his own eyes.3. Most of us don’t think their team ______（win）.4.I can take Li Ming there when he _____ ( come) to visit.5. _____your sister_____(know)English?6.Her home____ _____ ______(远离 )her school.7.The pot_____(not look) like yours very much.8. Where _____you____(have)lunch every day?9. Who_____(想要 )to go swimming?10. ______she_____(do) the housework every day?11.Jenny and Danny usually______(play) games in the afternoon12.Tom and Mary ___________ (come) to China last month.13.Mike _________________(not go) to bed until 12 o’clock last night. So I _______ (get ) up late.14.Mary __________ (read) English yesterday morning.15.There _________ (be) no one here a moment ago.16.I ___________ (call) Mike this morning.17.I listened but ___________ (hear) nothing.18.Tom ___________ (begin) to learn Chinese last year.st week we _________ (pick) many apples on the farm.20.My mother ________________ (not do) housework yesterday.三、句型转换。
1. China is a modern and strong country.（in twenty years）2.Do you study hard?（from now on）3.She didn’t speak English at the meeting.（before long）4. I watch TV every day. （改为一般疑问句）___________________________5. David has got a goal. （改为一般疑问句）_________________________6. We have four lessons.（改为否定句）____________________________7. Nancy doesn't run fast. （改为肯定句）_________________________8.They read English last night.否定句：__________________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________9.The children had a good time in the park.否定句：__________________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________10.There were about nine hundred people at the concert.否定句：__________________________________________一般疑问句：________________________________________肯定/否定回答：____________________________________答案：1.C2. D3. D4.D5. D6. B7. C8.D 9. B 10. B 11.B 12.D 13.C 14.B 15.B 16.B17.选b.一般过去时:助动词的过去式+ 动词原形18.选c.一般过去式19.选b。