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work worked have worked will work
each second day every a few days each two days every few days
fortunately actually naturally obviously
as was which was as were which
as was which was as were which
as was which was as were which
mustn’t can’t shouldn’t may not
mustn't can't shouldn't may not
work worked have worked will work
It’s old It’s new Yes, it is No, it isn’t
fortunately actually naturally obviously
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did I know I knew do I know I know
She said that I was here a few weeks ago. She said she was there a few weeks ago. She said that I have been there a few weeks ago. She said she had been there a few weeks beforE.
Did; finish; did Are; finished; did Have; finished; did Have; finished; have done
mustn’t can’t may not isn’t able to
work worked have worked will work
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