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Anonymous Posted 7 years ago
Grammar

Modal verbs could/ must

Hello,

I wonder if I can use could or must instead of should in the following sentence.

'What are you doing in front of the television? You should be doing your homework!'

Thanks for your reply.

  

Top answer

anonymous I wonder if I can use could or must instead of should in the following sentence. 'What are you doing in front of the television? ' 'should' imposes an obligation, so that's the best choice.

  • anonymous I wonder if I can use could or must instead of should in the following sentence.
  • 'What are you doing in front of the television?
  • ' 'should' imposes an obligation, so that's the best choice.
  • 'could' makes a suggestion, so that's not as good.
  • 'must' makes a logical deduction, so it doesn't make any sense unless you have the right scenario for it, thus: I know that your teacher said that you were supposed to watch a certain TV show about the solar system for homework, so when I see that you're in front of the television, I conclude that you must be doing your homework .
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1 Answers
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anonymousI wonder if I can use could or must instead of should in the following sentence.
'What are you doing in front of the television? You should be doing your homework!'

'should' imposes an obligation, so that's the best choice.

'could' makes a suggestion, so that's not as good.

'must' makes a logical deduction, so it doesn

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