你可能感兴趣的试题
had worked has worked was working has been working
just worked has only been working has just worked had only been working
works worked has been working had been working
has prepared had prepared has been preparing was preparing
think expect consider imagine
had worked worked was working had been working
has prepared had prepared has been preparing was preparing
to have left to leave to have been left to be left
will be working has been working worked will have worked
works worked has been working had been working
works worked has been working had been working
has been working had worked had been working was working
has been working had been working has worked had been worked
had he been has he been had he gone has he gone
He asked what had the weather been said it had been awful
works worked has been working had been working