shouldn't have - You ........ gone out in the rain yesterday; now you've got a nasty cold., don't have to - Great! I ...... go to the dentist; my tooth has stopped hurting., must - Jenny had a cough yesterday and she isn't at school today; she .... be at home., might not have - The doctor ..... seen your test results yet. I'm sure he'll call once he gets them., can't - 50$ for a bottle of syrup! That ..... be right!, mustn't - You .... take those tablets! They're grandpa's!, ought to - Bruce ....... eat more vegetables and stop eating junk food., needn't have - I ....... bought the bandages because we already had some at home. , must have - She got very good marks in History. She ..... studied really hard., can't have seen - He ...... Mrs. Norris in the supermarket. She's in India.,

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