Aims of this lesson

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Aims of this lesson

By the end of this lesson, you will know:

  • what modal verbs are
  • how to use modal verbs to express obligation and freedom to act
  • how to use modal verbs to express certainty and deduction
  • how to use modal verbs to express ability
  • how to use modal verbs in their past, present and future forms
  • which some modal verbs cannot be used in the past or the future
  • that some modal verbs can express a number of different concepts