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J Lin Posted 13 years ago
Grammar

How to use the phrase What if + (subject + verb)

should the verb be in its basic form every time we use it? e.g ( What if I don't understand?)
Can we use it in past tense like when we are telling a story?
  

Top answer

canadian45 What if he arrived before she did? Could you explain when to use it? "

— J Lin

  • canadian45 What if he arrived before she did?
  • Could you explain when to use it?
  • "
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3 Answers
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canadian45What if he arrived before she did?
Could you explain when to use it?

and what is the difference between this and "What would happen if he arrived before she did?"
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J Linshould the verb be in its basic form every time we use it? e.g ( What if I don't understand?)
Can we use it in past tense .....yes
What if he arrived before she did?
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J LinCould you explain when to use it?
It's equivalent to the difference between first, second and third conditions -

Will you translate if I don't understand?
What if I don't understand?

Would you translate if I didn't understand?
What if I didn't understand?

Would you have translated if I hadn
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