• C1.1 lesson 28 grammar revision offline
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  • She didn't need to / needn't have done all that shopping; the grocery store is just around the corner.
    She needn't have done all that shopping; the grocery store is just around the corner.
  • He must / should have done some research before visiting the city, not just wander aimlessly and miss out on all the amazing attractions.
    He should have done some research before visiting the city, not just wander aimlessly and miss out on all the amazing attractions.
  • He could / must have visited this city before; he seems very familiar with its streets.
    He must have visited this city before; he seems very familiar with its streets.
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