高中英语时态讲解英语的基本时态由三种“时”(时间)，四种“态”(状态)交叉构成。
三种“时”：过去现在将来四种“态”：常态进行态完成态完成进行态一般时进行时完成时完成进行时现在 study be studying have studied have been studying 过去 studied be studying had studied had been studying 将来will study wil be studying will have studied will have been studying 过去将来would study would be studying would have studied would have been studying 时态(Tense)是表示行为、动作和状态在各种时间条件下的动词形式。
因此，当我们说时态结构的时候，指的是相应时态下的动词形式。
Ⅰ现在时态：四种1.一般现在时态：表示现存的状态(be动词)，经常做的动作I do it. 我(经常)做这件事。
2.现在进行时态：表示正在进行的动作I am doing it. 我(现在)正在做这件事。
3.现在完成时态：表示现在已经完成，对现在产生影响，形成结果I have done it. 我(现在)已经做完这件事了。
4.现在完成进行时态：表示一直在进行的动作(字面意思已经在进行)I have been doing it. 我(现在)一直正在做这件事。
Ⅱ过去时态：四种5.一般过去时态：表示过去存在的状态(be动词)，经常做的动作I did it. 我(过去经常)做这件事。
6.过去进行时态：表示过去正在进行的动作I was doing it. 我(过去的某个时间)正在做这件事。
7.过去完成时态：表示过去已经完成，对过去的某个时间产生影响，形成结果I had done it. 我(过去的某个时间)已经做完这件事了。
8.过去完成进行时态：表示一直在进行的动作(字面意思已经在进行)I had been doing it. 我(到过去的某个时间)一直在做这件事。
Ⅲ将来时态：四种9.一般将来时态：表示将来存在的状态(be动词)，将来经常做的动作I will do it. 我将要做这件事。
10.将来进行时态：表示将来正在进行的动作I will be doing it. 我将要正在做这件事。
11.将来完成时态：表示到将来的某个时间已经完成，对那个时间产生影响，形成结果I will have done it. 我(到将来的某个时间)已经做完这件事了。
12.将来完成进行时态：表示将来一直在进行的动作(字面意思已经在进行)I will have been doing it. 我(到将来的某个时间)将一直在做这件事。
Ⅳ过去将来时态：四种(平时根本用不到，只在讲故事或小说中出现)13.一般过去将来时态：表示对过去的某一时间来讲的将来存在的状态(be动词)，将来经常做的动作，对现在来讲已成过去I would do it.14.过去将来进行时态：表示对过去的某一时间来讲的将来正在进行的动作，对现在来讲已成过去I would be doing it.15.过去将来完成时态：表示对过去的某一时间来讲的到将来的某个时间已经完成，对那个时间产生影响，形成结果，对现在来讲已成过去I would have done it.16.过去将来完成进行时态：表示对过去的某一时间来讲的将来一直在进行的动作(字面意思已经在进行)，对现在来讲已成过去I would have been doing it.课后练习题1. - Where is the morning paper?- I ________ for you at once.A. getB. am gettingC. to getD. will get2. ________ a concert next Saturday?A. There will beB. Will there beC. There can beD. There are3. If they come, we ________ a meeting.A. haveB. will haveC. hadD. would have4. If it ________ tomorrow, we'll go roller-skating.A. isn't rainB. won't rainC. doesn't rainD. doesn't fine5. Tomorrow he ____ a kite in the open air first, and then ______ boating in the park.A. will fly; will goB. will fly; goesC. is going to fly; will goesD. flies; will go6. There ________ a birthday party this Sunday.A. shall beB. will beC. shall going to beD. will going to be7. They ________ an English evening next Sunday.A. are havingB. are going to haveC. will havingD. is going to have8. Sorry, I can't open the door, for I the key to it.A. lostB. loseC. had lostD. have lost9. - It's good to see you again, Agnes.- This has been our first chance to visit since from Iran.A. you returnB. you returnedC. you have returnedD. returning10. - Did you expect Frank to come to the party?- No, but I had hoped .A. him comingB. him to comeC. that he comesD. that he would come11. - Bob must be very wealthy.- Yes, he more in one day than I do in a week.A. has been earnedB. had earnedC. earnsD. has earned12. - Come on in, Peter, I want show you something.- Oh, how nice of you! I you to bring me a gift.A. didn't think, were goingB. hadn't thought, were goingC. never think, are goingD. never thought, were going13.I first met Lisa three years ago. She ___ at a radio shop at the time.A. has workedB. was workingC. had been workingD. had worked14. The reporter said that the UFO ___ east to west when he saw it.A. was travelingB. traveledC. had been travelingD. was to travel15. " What ' s the matter, Ali? You look sad. "" Oh, nothing much. As a matter of fact, I ___ of my friends back home. "A. just thoughtB. have just been thinkingC. was just thinkingD. have just thought16. When Li Ming hurried home, he found that his mother ___already ___to hospital.A has; been sentB had; sentC has; sentD had; been sent17. She _____her keys in the office so she had to wait until her husband ____home.A has left; comesB had left; would comeC had left; cameD left; had come18. Zhao Lan ______already ______in this school for two years.A. was ; studyingB. will ; studyC. has ; studiedD. are ; studying19. We ______ Xiao Li since she was a little girl.A. knowB. had knownC. have knownD. knew20. Harry Potter is a very nice film .I_______ it twice.A. will seeB. have seenC. sawD. see21.-These farmers have been to the United States.-Really ?When ___ there ?A. will they goB. did they goC. do they goD. have they gone22. The house belongs to my aunt but she _____ here any more .A. hasn't livedB. didn't liveC. hadn't livedD. doesn't live23. Your job _______ open for your return . ---Thanks .A. will be keptB. will keepC. had keptD. had been kept24.The young girl sitting next to me on the plane was very nervous . She ____ before .A. hasn't flownB. didn't flyC. hadn't flownD. wasn't flying25.---Mr Gorden asked me to remind you of the meeting . Don't you forget it !--OK. I ______ .A. won'tB. don'tC. willD. do参考答案：1-5 DBBCA 6-10 BBABD 11-15 CDBAC 16-20 DCCCB 21-25 BDAAA。