She was ill,She can t have attended the meeting here为什么用can t have attended 而不用 could not be able to attend
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![She was ill,She can t have attended the meeting here为什么用can t have attended 而不用 could not be able to attend](/uploads/image/z/11404980-36-0.jpg?t=She+was+ill%2CShe+can+t+have+attended+the+meeting+here%E4%B8%BA%E4%BB%80%E4%B9%88%E7%94%A8can+t+have+attended+%E8%80%8C%E4%B8%8D%E7%94%A8+could+not+be+able+to+attend)
She was ill,She can t have attended the meeting here为什么用can t have attended 而不用 could not be able to attend
She was ill,She can t have attended the meeting here
为什么用can t have attended 而不用 could not be able to attend
She was ill,She can t have attended the meeting here为什么用can t have attended 而不用 could not be able to attend
could 怎么还和be able to 连用?
can't have done sth本身表示对过去情况的否定推测,意为:“根本不可能.”
这里是表肯定推测的。因为前面说啦她生病了,,所以她不可能去参加了那个会议的。你这种用法则翻译成:她生病了,所以她不能参加会议。。你感受一下。
She was ill,She can t have attended the meeting here. 本句是对她参加这里会议的怀疑. 她病了, 她不可能参加了这里的会议.(言外之意:说她参加了这里会议, 那是胡说八道.) She was ill,She could not be able to attend the meeting here. 你建议的填法也不错,但是意思不同. 她病了, 所以她不能来参加这里的会议.
be able to 和can t 是相近的,而could not 只是can t 的委婉语气, could not be able to attend是一种重复表达
因为can not表示否定的猜测 意思就是她生病了 所以她肯定不会来参加会议的 相同的表示肯定的猜测就用must