AEIS语法中的五种时态

　　AEIS考试前最重要的是AEIS备考，AEIS语法尤其是一大难点，不过只要我们能制定合理的复习计划，想要得高分就不是难事，下面一起来看看AEIS的五种时态吧！

　　AEIS考试真题中的一般现在时：

　　概念：经常、反复发生的动作或行为及现在的某种状况。

　　时间状语：always, usually, often, sometimes, every week (day, year, month?),once a week, on Sundays, etc.

　　基本结构：①be动词;②行为动词

　　否定形式：①am/is/are+not;②此时态的谓语动词若为行为动词，则在其前加don't,如主语为第三人称单数，则用doesn't，同时还原行为动词。

　　一般疑问句：①把be动词放于句首;②用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。

　　AEIS考试培训机构介绍二、一般过去时：

　　概念：过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。

　　时间状语：ago, yesterday, the day before yesterday, last week(year, night, month?), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.

　　基本结构：①be动词;②行为动词 否定形式：①was/were+not;②在行为动词前加didn't，同时还原行为动词。

　　一般疑问句：①was或were放于句首;②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：

　　概念：表示现阶段或说话时正在进行的动作及行为。

　　时间状语：now, at this time, these days, etc.

　　基本结构：am/is/are+doing

　　否定形式：am/is/are+not+doing. 一般疑问句：把be动词放于句首。

　　AEIS考试培训机构介绍四、过去进行时：

　　概念：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。

　　时间状语：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。

　　基本结构：was/were+doing

　　否定形式：was/were + not + doing.

　　一般疑问句：把was或were放于句首。

　　五、现在完成时：

　　概念：过去发生或已经完成的动作对现在造成的影响2 现在的动作或状态。

　　时间状语：recently, lately, since?for?,in the past few years, etc.

　　基本结构：have/has + done

　　否定形式：have/has + not +d one.

　　一般疑问句：have或has。

　　AEIS考试培训上海分享时态习题：

　　1. --- Oh, dear. I forgot the air tickets.

　　--- You ______ something.

　　A. have left B. are always leaving

　　C. are leaving D. always left

　　2. --- I ______ so busily recently that I ______ no time to help you with your math.

　　--- That’s OK. I can manage it by myself.

　　A. have been working; have B. have worked; hadC. am working; will have D. had been working; had had3. Remember to send me a photo of us next time you ______ to me.

　　A. are writing B. will write

　　C. has written D. write

　　4. He ______ at the meeting, but his heart attack prevented him.

　　A. will speak B. is going to speak

　　C. had to speak D. was going to speak

　　5. --- I beg your pardon, but I didn’t quite catch you.

　　--- Oh, I ______ myself.

　　A. am talking to B. talked about

　　C. have talked to D. was talking to

　　6. I ______ ping-pong quite well, but I haven’t had time to play since the New Year.

　　A. will play B. have played

　　C. played D. play

　　7. I first met Tom 10 years ago. He ______ in a radio factory at that time.

　　A. had worked B. has worked

　　C. was working D. has been working

　　8. --- What ______ when I phoned you?

　　--- I ______ my work, and I wanted to go out.

　　A. have you done; finished B. were you doing; have finishedC. did you do; had just finished D. were you doing; had just finished

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