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is, would were, would is, will were, will
does, watch Does, is watching Is, is watching Is, watch
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must go can go may go may be going
as soon as after until while
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was going to has been to has gone to goes to
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What does your father do yesterday evening What does your brother do in the school What did your brother do over the weekend Where did your brother go last Sunday
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How often How long How many How soon
does has done will do is doing
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