Modal verbs should and ought to

It is used to make a suggestion in a stronger way than “should” or “ought to”. Using Ought to in Present, Past, and Future Most modal verbs behave quite irregularly in the past and the future

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  1. If something ought to be done it ought to be done
  2. Can, Could, May, Might, Should, Would, Ought to, Must etc
  3. Modals: Can, Could, May, Might
  4. Should and must