参加2017年新加坡AEIS考试，大家一定要好好进行AEIS考试网络培训，你也可以报名参加2017南京AEIS集训，我们有专业的培训老师为你提供一站式服务，你的新加坡留学之路变得不再艰难。AEIS考生服务中心老师提醒：新加坡AEIS考试要求学生掌握动词5种时态的基本结构。
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; had
C. am working; will have D. had been working; had had
3. 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 finished
C. did you do; had just finished D. were you doing; had just finished
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