文档介绍：8B Unit 1 Past and Present
Grammar (B)
Learning aims
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。  
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Guessing Game
Did it….?
Has it ….?
Guessing Game
Did they….?
Have they ….?
Guessing Game
Did they….?
Have they ….?
Guessing Game
Did he….?
Has he ….?
Guessing Game
Did she….?
Has she ….?
Guessing Game
Has it ….?
Did it….?
她以前曾去过上海。
She has been to Shanghai before.
他在上海10年了。
She has been in Shanghai for ten years
他去上海了。
He has gone to Shanghai.
他已学英语五年了。
He has studied English for five years.
Have a try!
现在完成时的时间状语
◆常与不确定的时间状语连用,如:already, never, ever, just, yet, before, up to now, so far, for the last few weeks等,表示“到目前为止”所发生的动作.
◆还可以和包括现在在内(到说话时仍未结束)的,表示一段时间的状语连用,如:now,
today, this morning (afternoon,
evening, week, month, year), these
days, since, for a long time等.
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