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may wait ought to wait could wait must be waiting
a; a a; the the; the the; a
may have stolen might have stolen should have stolen must have stolen
Must,can't Must,needn't Can't,can Must,shouldn't
get get to arrive arrive to
Must; can’t Must; needn’t Can’t; can Must; shouldn’t
will leave is going to leave is leaving leaves
may wait must be waiting could wait ought to wait
will have stolen might have stolen should have stolen must have stolen
mustn't can't needn't may not
I got I had got did I get had I got
I must I should I will I can