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saw was seen have seen had seen
Have, seen, have, seen Did, see, did, see Have, seen, did, see Did, see, have, seen
A. would have seen must have seen may have seen can have seen
Have… seen… did… see Did…see…die…watch Have…seen… have… seen Did…see…have…seen
saw have seen see was seeing
saw was seen have seen had seen
see have seen will see am seeing
I NOW HAVE THE WATCH. I NOW HAVE THE CONN. YOU NOW HAVE THE WATCH. YOU NOW HAVE THE CONN.
have；watched did；watch will；watch do；watch
Have you seen; have seen Have you seen; saw Did you see; have seen Did you see; saw
Did you see; did you see Have you seen; did you see Do you see; have you seen Have you seen; have you seen
watching being watched to watch watched
Do see saw Are seeing see Have seen saw Will see see
can’t have seen should not have seen must not have seen need not have seen
won't shouldn't can't mustn't
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