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Anonymous Posted 4 years ago
Grammar

Modals

They can be there by now.(does can express probability?

He mustn't be there by now.(can the negative form of must be used to express certainty?or can't does?)

  

Top answer

Sorry, but those are not natural English. For the first one, you may want one of these: They may be there now. They might be there now.

  • Sorry, but those are not natural English.
  • For the first one, you may want one of these: They may be there now.
  • They might be there now.
  • They could be there now.
  • They should be there now.
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2 Answers
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Sorry, but those are not natural English.

For the first one, you may want one of these:

They may be there now.
They might be there now.
They could be there now.
They should be there now.

They can be there by 7 tonight.
They could be there by 7 tonight.
They may/might be there by 7 tonight.
They should be there

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For more on modal verbs, see

CJ

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