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Can, could, must, may, should


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Can, could, must, may, should

  1. 1. Can, could, must, may,should…<br />Modal verbs revision for 3rd ESO<br />PepaMut<br />
  2. 2. They are “helping” verbs that add information to the main verb.<br />She mustn’t chat with strangers.<br />Negative form: + NOT<br />He can’t come today. <br />Questions: subject-verb inversion<br />May I sit here, please?<br />They never change in form: <br />Regular verbs: go, goes, doesn’t go, going …<br />Modals: can / can’t (She can/can’t swim)<br />What are modal verbs?<br />
  3. 3. He can speak French well. ABILITY<br />He can’t be rich, I’m sure. CERTAINTY (-)<br />She can come at any time. POSSIBILITY<br />Can I go out, please? PERMISSION<br />Can you help me, please? REQUEST<br />CAN / CAN’T<br />
  4. 4. Could I borrow your pencil, please? <br />POLITE REQUEST<br />We could go there later. POSSIBILITY<br />I couldn’t read when I was 4 years old. PAST ABILITY<br />COULD / COULDN’T<br />
  5. 5. You must study and work hard.<br />You must have an ID card to enter. OBLIGATION<br />She must be ill. <br />CERTAINTY <br />You mustn’t fight with your brother.<br />You mustn’t drive without a license.<br /> PROHIBITION<br />MUST / MUSTN’T<br />
  6. 6. May I have another one, please? <br /> POLITE REQUEST<br />China may become a major economic power.<br /> POSSIBILITY<br />MAY / MAY NOT<br />
  7. 7. You should eat healthy. <br />You shouldn’t spend so many hours on the computer.<br />Should I call my mother?<br />ADVICE<br />SHOULD / SHOULDN’T<br />