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was busy is busy had been busy. will be busy
where does he live how did he come here yesterday what his job is that he is good at English
was busy busy is busy had been busy will be busy
to; he in; himself to; himself for; his
Were he If he were Had he been Should he be
to come come coming comes
had taught taught was teaching has taught
How it was How was it How are you How were you
was busy is busy had been busy will be busy
could should ought to all the above
was busy is busy had been busy will be busy
If Bob has come If Bob came Had Bob come Bob should come
mustn’t have seen shouldn’t see can’t have seen couldn’t see
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