作业帮I am afraid I_____ your file by mistake.（take）The writer_____nothing for ages.(write) After Mrs Lam______(wash)the pear,she_____(eat)it.为什么?
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I am afraid I_____ your file by mistake.（take）The writer_____nothing for ages.(write) After Mrs Lam______(wash)the pear,she_____(eat)it.为什么?
I am afraid I_____ your file by mistake.（take）
The writer_____nothing for ages.(write) After Mrs Lam______(wash)the pear,she_____(eat)it.为什么?
I am afraid I_____ your file by mistake.（take）The writer_____nothing for ages.(write) After Mrs Lam______(wash)the pear,she_____(eat)it.为什么?
have took
恐怕我不小心拿错你的文件了.
解析：这里考查的是现在完成时态的用法.过去发生或已经完成的动作对现在造成的影响或结果.可能是我过去拿走你的文件,致使你现在找不到文件.
has wrote
这个作家很长一段时间来没有写作了.
解析：这里考查的也是现在完成时态的用法.从过去已经开始,持续到现在的动作或状态.for ages很长的时间,很久.这个作家从过去一段时间到现在而且可能最近都不会从事写作.
has washed eats
lam小姐洗完梨 后就吃了.
解析：这里考查的也是现在完成时态的用法.lam小姐先洗梨 再吃.肯定是洗完梨,梨干净了,才能吃...所以洗梨用完成时,吃梨就用一般时态就可以了.
you need to grasp the structure of continuous perfect tense.
had taken
hasn't written
washed had eaten