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What about Why don’t Why not Perhaps
took up set up got up stayed up
to stop to have stop to have to stop having stop having
don’t; until will; after didn’t; until have; after
did had done have been doing have done
took up set up got up stayed up
didn’t you;have been haven’t you;had been needn’t you;was mustn’t you;am
Why not Do you What about How about
stayed up made up put up looked up
It’s your duty No, thanks Do as you like Don’t mention it
stayed up made up put up looked up
worried tired busy surprised
Not too bad Not at all Do as you like It couldn’t be better
what he is doing these days; that what’s wrong with him; whether how the matter is with him; that why does he look so tired; if
hadn’t adapted haven’t adapted don’t adapt didn’t adapt
It's your duty Don't mention it Do as you like It couldn't be better
hadn’t adapted; to haven’t adapted; to don’t adapt; from didn’t adapt; from
didn’t adapt haven’t adapted don’t adapt hadn’t adapted
stop to work to stop to work stop working to stop working