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<p>Type Modal Verb Example</p><p>ability Can, Could</p><p>permission</p><p>request</p><p>Can, Could,</p><p>May</p><p>advice Should</p><p>obligation Must</p><p>possibility</p><p>Might, May,</p><p>Could, Can</p><p>-> David can speak three languages.</p><p>-> He could speak fluent French when he was 5.</p><p>-> Can I sit in that chair, please?</p><p>-> Could you open the window?</p><p>-> May I borrow your French book?</p><p>-> You should see your dentist twice a year.</p><p>-> You should try to exercise every day.</p><p>-> I must memorize all these rules for the test..</p><p>-> Here we must take off our shoes before</p><p>getting in.</p><p>-> It looks nice, but it might be very expensive.</p><p>-> He might be home right now.</p><p>-> This study may bring new evidences of…*</p><p>*(academic English)</p><p>PRESENT PAST</p><p>Do/Does Did</p><p>Can Could</p><p>Am/Is/Are Was/Were</p><p>Am/Is/Are + verb “ing” Was/Were + verb “ing”</p>