Page 18 - flip prim 3 Unit 2_Neat
P. 18

Grammar

  ? Should
  We use should to give good advice.
?? You should eat vegetables to stay healthy.
  ? Shouldn't
  We use shouldn’t to say something is not a good idea.
?? You shouldn’t watch too much TV.
  ? Must
  We use must to say something is very important or a rule.
?? You must wear your seatbelt.
  ? Mustn’t
  We use mustn’t to say something is not allowed.
?? You mustn’t run in the street.

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