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Exp Posted 10 years ago
Vocabulary

At what time, For how many hours.... without prepositions?

  1. You get up at seven.
  2. What time do you get up at?
  3. At what time do you get up?
  4. When do you get up?
  5. What time do you get up?
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  1. You study English for two hours.
  2. For how many hours do you study English?
  3. How many hours do you study English for
  4. How long do you study English?
  5. How many hours do you study English?
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Are the prepositions "at" and "for" in 2 and 3 optional? (If so, on what ground?)
  

Top answer

All are possible. The prepositions are often omitted in 2 and 3. I have known him [for] two years.

— Cool Breeze

  • All are possible.
  • The prepositions are often omitted in 2 and 3.
  • I have known him [for] two years.
  • CB
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2 Answers
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All are possible. The prepositions are often omitted in 2 and 3.

I have known him [for] two years.

CB
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Thank you very much.
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