1、在行为动词前加didnwas或were放于句首；用助动词do的过去式did 提问，同时还原行为动词。三、现在进行时：表示现阶段或说话时正在进行的动作及行为。now, at this time, these days, etc.am/is/are+doingam/is/are+not+doing.把be动词放于句首。四、过去进行时：表示过去某段时间或某一时刻正在发生或进行的行为或动作。at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。was/were+doingwas/were + not + doing.把was或wer
2、e放于句首。五、现在完成时：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。recently, lately, sincefor,in the past few years, etc.have/has + donehave/has + not +d one.have或has。六、过去完成时：以过去某个时间为标准，在此以前发生的动作或行为，或在过去某动作之前完成的行为，即“过去的过去”。before, by the end of last year（term, month）,etc.had + done.had + not + done.had放于句首。
3、七、一般将来时：表示将要发生的动作或存在的状态及打算、计划或准备做某事。tomorrow, next day（week, month, year）,soon, in a few minutes, by,the day after tomorrow, etc.am/is/are/going to + do；will/shall + do.was/were + not; 在行为动词前加didnbe放于句首；will/shall提到句首。八、过去将来时：立足于过去某一时刻，从过去看将来，常用于宾语从句中。the next day（morning, year）,the following month（
4、week）,etc.was/were/going to + do；would/should + do.was/were/not + going to + do;would/should + not + do.would/should 提到句首。. 几种常见时态的相互转换英语中的几种时态在一定情况下可以互相转换，以下是几种常见的转换形式：一、一般过去时与现在完成时在现在完成时中，延续性动词能与表示一段时间的状语連用，瞬间动词却不能。但是，可用別的表达方式：瞬间动词用于“一段时间 + ago”的一般过去时的句型中；瞬间动词可改成与之相对應的延续性动词及短语，与一段时间連用；瞬间动词用于“It is
5、 + 一段时间 + since + 一般过去时”的句型中，表示“自从以来有时间”的意思，主句一般用it is来代替It has been;瞬间动词用于“Some time has passed since + 一般过去时”的句型中：A. He joined the League two years ago.B. He has been in the League for two years.C. It is two years since he joined the League.D. Two years has passed since he joined the League.二、一般现在
6、时与现在进行时在一般现在时中，at加上名词表示“处于某种状态”，如at work（在工作）, at school（上学、上课）等。此短语可与进行时态转换：Peter is at work, but Mike is at play.Peter is working, but Mike is playing.三、现在进行时与一般将来时的转换在现在进行时态中go, come, leave, start, arrive等动词常与表示将来的时间状语連用表示将要发生的动作。如：I am coming, Mum! 意为“我就来，妈妈！”请看：The train is leaving soon.The tra
7、in will leave soon.四、“be going to+动词原形”与“will（shall）+动词原形”结构的转换“be going to+动词原形”、表示打算、计划要做的事；将来时“will（shall）+动词原形”结构在书面语中，当主语为第一人称时，常用助动词shall。在口语中，所有人称都可以用will：We are going to visit the Great Wall next Sunday.We shall visit the Great Wall next Sunday2012年备战中考易错选择题精选1. Some students were afraid _in
8、 class because they thought their classmates might laugh at them. A of speak B to speak C speak D to speaking 2. I found _ difficult to learn English grammar. A it B that C it is D that is 3. He decided _school late again. A to come B dont come C come not to D not to come to 4. She needs a partner _
9、 A to practice English with B practicing English C to practicing English with D practice English with 5.Stop chatting .I have _ to tell you. A anything important B something important C important anything D important something 6. Its good that _have their own ideas about life as well as about being
10、cool. A the young B youth C the young man D young 7.My grandfather _ me stories when I was young . A was used to tell B is used to telling C used to tell D used to telling 8. When I was a student , I was used to _ at six . A get up B getting up C gets up D geting up 9. It is _ of a problem to be poo
11、r than to be dishonest. A more B little C less D much 10. My brother is _to carry the heavy box by himself . A old enough B enough old C enough strong D strong enough 11. I must get my homework _, A done B does C do D did 12. People are not allowed _ in the cinema , but they will allow _in the rest
12、room. A to smoke, smoke B smoking , to smoke C to smoke , smoking D smoking ,smoke 13.The music sounds _ A well B nicely C good D beautifully 14. _ to improve our English? A What do you think we should do B Do you think what do we should C What do you think should we D Do you think what should we do
13、 15. His bike is broken .It needs _soon. A be repair B to mend C to be repaired D being mend 16. Three more men _to do the work every day . A were needed B need C are needing D are needed 17. He is against _ computer games. A playing B plays C play D to play 18.He was too hungry , so he ate _in the
14、evening. A plenty of B a lot of C many D a lot 19.I dont know _. A what to do it B how to do C what to do D to do what 20.I dont know if I _anyone at the party this evening. If I _anyone , I will get nervous. A will know, wont know B will know ,dont know B know, wont know D know , dont know 21.Tom i
15、s afraid to speak in _public. A the B a C an D / 22. The professor always has good solutions_others problems. A of B to C with D about 23. If you take my _, please dont tell _about it. A advice ,any B advices, some C advices, someone D advice , anyone 24.They are hardly ever tired ,_they? A are B ar
16、ent C will D wont 25.Ill have a test _ writing next week. A at B of C on D in 26.If you have any ideas _, please return them to him. A whose gloves are these B whose gloves is this C whose gloves these are D whose gloves this is 27._ has been found out _ oil food is bad for our health A That , that
17、B That ,what C It , what D It , that 28 I prefer music that_ great lyrics. A have B has C there is D there are 29. I only eat food that tastes _. A well B nicely Cgood D deliciously 30 The Greeen family would like to_for about three weeks. A leave home B go out C come to China D be away 31. I hope _
18、have a happy year in our class. A you to B or you C to you D you 32. The two men walked _ the forest and got to a small house. A across B through C crossing D over 33.The girl _ her mother . I know her mother likes reading,too. A takes after B looks after C similar D takes care 34. Dont put off _ to
19、 see the doctor when you are ill. A go B to go C going D gone 35.He spent every Sunday morning _ in an old peoples home. A to work B working C worked D works 36.He _ to read , so he always puts his _ to good use by working in the after- school care center at his elementary school. A love ,loves B lo
20、ves ,love C loving,loving D loves ,loves 37.The sudden rain made _for the singers to put on performces A that possible B that impossible C it possible D it impossible 38._ ill, I cant go to school today. A Because of B As C Being D With 39. This watch _China . A was made in B was made by C was made
21、from D was made of 40. _ our football team won . A By the end B In the end C At the end of D Final 41.The headmaster announced that there would _ an English speech contest next month. A have B has C to have D be 42. Did you go to the movie with Lucy? No , I _ A didnt invite B wasnt invited C hadnt i
22、nvited D wasnt inviting 43. Excuse me, could you tell me _? -Of course A when had the train left the station B where is the nearest the hospital C if it will be windy tomorrow D how much did the car cost 44. Must I do my homework ? - No you _. A mustnt B cant C neednt D wont 45. -I dont know _next.
23、You could ask your teacher for help. A how to do B what to do C . why to do D when to do 46. Tom asked his friend _. A not to be so angry B that knowledge is power. C when did he come back D where was he born 47.I find _ a little difficult to remember the English words. A that B it C this D them 48
24、What are you nervous_, Jenny.? A in B at C on D about 49.We should _ that. A thinking of B thought of C have thought of D have thinking of 50. Dont get _when you listen to the old. A bored B boring C tiring D excited 51. I dont like the people who always keep me _. A wait B waiting C to wait D waite
25、d 52.Do you like loud music ? - I am often _ want to leave by it. A made B made to C making D making to 53.The pen doesnt work .I need to buy a new one to write_ A with Bin C on D / 54.You want to improve your spoken English. Why _an English languageclub? -Good idea. A dont join B not join C not to
26、join D not you join 55.If you have some trouble _the railway station ,please ask the police for help . A finding B finding out C looking for Ddiscovering 56.I dont know _I should do with so many eggs. You can sell them. A how B why C what D when 57.There used _an old church here, but now we can see a park here. A to have B was C to be D had 58.Everyone is _to find that the little boy can play the piano so wel
