ESL library.com - Modals of Ability - Literacy Services of Wisconsin
Modal verbs (can, could, must, should, ought to, may, might, will, would, shall) are modal auxiliary verbs that express ability, necessity, obligation, duty, ...
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Modal verbs (can, could, must, should, ought to, may, might, will, would, shall) are modal auxiliary verbs that express ability, necessity, obligation, duty, ...
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