Ronny _____have gone to Switzerland, but I'm not sure.
You____have lied to me! Why didn't you tell me the truth?
Helen___ to have seen a doctor weeks ago. Why didn't she?
They____have seen the play last night as they went to a football match instead.
Carl___ have been here by now. Maybe he got stuck in traffic.
You___have been really excited when you heard you'd won the competition!
Adrian___done a lot of revision.
Jim can't ___
I ____ made a mistake. I'm not sure.
It____ been Ann on the phone. I don't know exactly.
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