fly?go?keep?runРwas--been?were--been?became—?e?cut-cut?did--done?flew--flown?went--gone?kept--kept?ran--runРwrite ?e?buy?bring?take?make?sit ?feedРwrote--written?drove--driven?came--come?bought--bought?brought--brought?took--taken?made--made?sat--sat?fed--fedР8Р二、现在完成时的主要用法?(一)Р-- It’s so dark.?--Someone has turned off the light.?(有人刚把灯关了,对现在造成的结果是:现在很黑)Р-- Are you free??--I have finished my homework. I am free.? (我已经完成了家庭作业, 对现在造成的?结果是很有空)Р1. 用法表示过去发生的某一动作? 对现在造成的影响或结果。Р9Р汉语中常用“已经”、“过”、“了”等表达,通常与表示包括现在在内的时间副词 just,already, before, yet, never, ever ,so far, recently等状语连用。例如:? ① I have never heard of that before.? ② Have you ever ridden a horse?? ③ She has already finished the work.? ④ Have you milked the cow yet? ? Yes, I have done that already.? ⑤ I’ve just lost my math book.Р2. 常用时间状语Р10
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