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2.æ¶é´ç¶è¯ï¼ always, usually, often, sometimes, every week (day, year, monthâ¦), once a week, on Sundays,
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6.ä¾å¥ï¼. It seldom snows here.
He is always ready to help others.
Action speaks louder than words..
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2.æ¶é´ç¶è¯ï¼ago, yesterday, the day before yesterday, last week,last(year, night, monthâ¦), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
3.åºæ¬ç»æï¼beå¨è¯ï¼è¡ä¸ºå¨è¯ çè¿å»å¼
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6.ä¾å¥ï¼She often came to help us in those days.
I didn't know you were so busy.
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2.æ¶é´ç¶è¯ï¼now, at this time, days, etc. look . listen
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4.å¦å®å½¢å¼ï¼be+not+doing.
5.ä¸è¬çé®å¥ï¼æbeå¨è¯æ¾äºå¥é¦ã
6.ä¾å¥ï¼ How are you feeling today?
He is doing well in his lessons.
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2.æ¶é´ç¶è¯ï¼at this time yesterday, at that timeæ以whenå¼å¯¼çè°è¯å¨è¯æ¯ä¸è¬è¿å»æ¶çæ¶é´ç¶è¯çã
3.åºæ¬ç»æ s+was/were+doing
4.å¦å®å½¢å¼ï¼s+was/were + not + doing.
5.ä¸è¬çé®å¥ï¼æwasæwereæ¾äºå¥é¦ã(第ä¸ä¸ªåæ¯å¤§åï¼
6.ä¾å¥ï¼At that time she was working in a PLA unit.
When he came in, I was reading a newspaper.
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2.æ¶é´ç¶è¯ï¼yet,already,just,never,ever,so far,by now,since+æ¶é´ç¹ï¼for+æ¶é´æ®µï¼recently, lately, in the past few years, etc.
3.åºæ¬ç»æï¼have/has + done
4.å¦å®å½¢å¼ï¼have/has + not +done.
5.ä¸è¬çé®å¥ï¼haveæhasã
6.ä¾å¥ï¼I've written an article.
The countryside has changed a lot in the past few years.
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2.æ¶é´ç¶è¯ï¼before, by the end of last year(term, monthâ¦),etc.
3.åºæ¬ç»æï¼had + done.
4.å¦å®å½¢å¼ï¼had + not + done.
5.ä¸è¬çé®å¥ï¼hadæ¾äºå¥é¦ã
6.ä¾å¥ï¼As soon as we got to the station, the train had left.
By the end of last month. We had reviewed four books
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3.åºæ¬ç»æï¼ä¸»è¯+am/is/are+going to + doï¼will/shall + do.
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5.ä¸è¬çé®å¥ï¼beæ¾äºå¥é¦ï¼will/shallæå°å¥é¦ã
6.ä¾å¥ï¼They are going to have a competition with us in studies.
It is going to rain.
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3.åºæ¬ç»æï¼was/were+going to + doï¼would/should + do.
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5.ä¸è¬çé®å¥ï¼wasæwereæ¾äºå¥é¦ï¼would/should æå°å¥é¦ã
6.ä¾å¥ï¼He said he would go to Beijing the next day.
I asked who was going there .
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3.åºæ¬ç»æï¼be going to/will/shall + have done
4ä¾å¥:By the time you get back,great changes will have taken place in this area.
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4.ä¾åï¼I have been sitting here for an hour.
The chirdren have been watching TV since six o'clock.
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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.
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å¨ä¸è¬ç°å¨æ¶ä¸ï¼atå ä¸åè¯è¡¨ç¤ºâå¤äºæç§ç¶æâï¼å¦at workï¼å¨å·¥ä½ï¼, at schoolï¼ä¸å¦ãä¸è¯¾ï¼çãæ¤çè¯å¯ä¸è¿è¡æ¶æ转æ¢ã请çï¼
Peter is at work, but Mike is at play.
Peter is working, but Mike is playing.
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The train is leaving soon.
The train will leave soon.
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