Topic: Modal Verbs May and Could
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hi there, What are modal verb and auxilary verb? could someone li...
Modal verbs indicate something called "modality" -- they indicate ability or possibility. Examples are: can, will, shall, may, must, ought to. The first four also have past tense forms could, would, should and might. Note that "shall" is un... Read More »
Source: http://www.usingenglish.com/forum/ask-teacher/19258-modal-verb-au...