过去时——现在时——将来时过去进行时——现在进行时——将来进行时过去完成时——现在完成时——将来完成时过去完成进行时——现在完成进行时——将来完成进行时根据时间的轴线,大体上可以分为以上12种时态。接下来,我们用一个情境来展示不同的时态所表现出来的不同含义。He studied Physics.他学习了物理。He studies Physics.他学习物理。He will study Physics.他将要学习物理。He was studying Physics at this time last summer.他去年夏天的这个时候在学物理。He is studying Physics now.他现在正在学物理。He will be studying Physics when you enter his room.当你进入他的房间时,他应该在学物理。He had studied Physics before he graduated.他在毕业之前已经学习了物理。He has studied Physics for three years.他已经学习物理长达3年了。He will have studied Physics when we meet him.当我们见到他的时候,他应该已经学了物理。He had been studying Physics till midnight.他一直学习物理到午夜。He has been studying Physics during his stay here.当他在这里的时候,他一直在学物理。He will have been studying Physics for five months by next Sunday.到下周日为止,他就连续学习物理5个月了。
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