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2015-08-22T20:49:16+05:30
Modal verb. A modal verb is a type of auxiliary verb that is used to indicate modality – that is, likelihood, ability, permission, and obligation.
Examples include the English verbs can/could, may/might, must, will/would, and shall/should.
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2015-08-22T20:55:19+05:30
Modals are the verbs used to express mood manner or expression of the sentence.
some commonly used modals- can, could ,shall ,should ,will ,would ,may, might etc. 

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