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have felt, run have been feeling, am running felt, run feel, am running
have a sore throat have a headache have a toothache have a fever
That’s very regretful. That’s pitiful. That’s too bad. That’s a pity.
Must ; may Could ; might May ; must have Can ; may have
is feeling feels is felt is being felt
must be stolen may be stolen must have stolen must have been stolen
must be stolen may be stolen must have stolen must have been stolen
must; must may; have to might; must could; have to
must have fallen asleep must fall asleep can’t been asleep must be asleep
Well, I really must be going now. I wonder if you could let me go now. Do you mind if I leave now? What a shame that I want to go now!
is feeling feels is felt is being felt
That's very regretful. That's pitiful. That's too bad. That's a pity.
break up break away break through break
That's very regretful. That's pitiful. That's too bad. That's a pity.
must；must had to；have to had to； must have to；must
headache fever toothache cold
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