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have been staying have stayed shall stay will have stayed
won’t needn’t couldn’t mustn’t
can’t needn’t mustn’t won’t
will you shall we don't we will we
smoking; smoking to smoke; to smoke smoking; to smoke to smoke; smoking
will you shall you have you had you
smoke; to smoke smoked; to smoke smoked; smoking have smoked; smoke
will you shall you have you had you
have been staying have stayed shall stay will have stayed
to smoke; smoking smoking; to smoke to smoke; to smoke smoking; smoking
to smoke; to smoke smoking; smoking to smoke; smoking smoking; to smoke
to smoke; to smoke smoking; smoking to smoke; smoking smoking; to smoke
smoking,smoke smoke,smoking smoking,to smoke smoke,to smoke
opens open shall open will open
won’t mustn’t can’t needn’t
won’t mustn’t can’t needn’t
must; shall will; must shall; must can; should
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