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We may still have enough oil. We may still have enough coal. We may have a little oil. We may have no coal or oil to us
needn't; aren't allowed may not; are allowed mustn't; aren't allowed can't; are allowed
will finish are finishing have finished had finished
have left had left left leave
needn’t ; are allowed don’t have to; are supposed mustn’t ; aren’t allowed can’t ; aren’t supposed
can’t; are allowed mustn’t; aren’t allowed needn’t; are allowed needn’t; aren’t allowed
can’t; are allowed mustn’t; aren’t allowed needn’t; are allowed needn’t; aren’t allowed
unless on condition that though until
mustn’t; are allowed don’t have to; are supposed needn’t; aren’t allowed can’t; aren’t supposed
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