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Sentence Patterns using "Would you have...?"

We use "would (not) have + past participle" to imagine something that did not actually happen in the past. We can also this to ask questions about the past. Remember, we are not asking about real events. We are just imagining.
  • Would Tina have come if she hadn't been sick?
    (Really, Tina did not come because she was sick.)

  • Would Mark have liked to meet Sally?
    (Really, Mark did not meet Sally.)

  • Would you have come if I had invited you?
    (Really, you didn't come because I did not invite you.)
This question is commonly used with an if-statement. We can put the if-statement in the beginning or middle of the question.

Would + subject + have + past participle...+ if...?
If...+ would + subject + have + past participle...?
  • If he had studied harder, would he have passed the test?
  • If you could speak English better, would you have gotten the job?
  • If their best player hadn't hurt his leg, do you think they would have won the game?
  • Would she have come if she knew that Mark would be there?
  • Would they have bought the house if they knew it were for sale?
  • Would you have joined this company if you knew that you would need to work overtime every day?
We can also use question words.

Question word + would + subject + have + past participle...+ if...
  • What would you have done if you had been there?
  • Where would you have gone if you had gone on summer vacation?
  • What would you have said if you had been there?
We can also ask about what someone thinks another person would have done in a particular situation in the past.
  • What do you think he would have done in that situation?
  • What do you think Mr. Smith would have thought about the presentation?
Bonus Tips and Points

1. We usually use the past perfect in the "if-statement". The past perfect is "had (not) + past participle".
  • If he had come, what would have happened?
  • If she had been here, do you think we could have finished?
  • If the apartments hadn't been built here, would the river have been polluted?
  • If you had been there, would they have fought?
2. It is also okay to use the past tense instead of past perfect in these sentences. Many grammar books say that we cannot use the past tense, but many native English speakers use both. However, it is better to use the past perfect.
  • If she had gone to the party, would she have had fun?
    (=If she went to the party, would she have had fun?)

  • If it hadn't rained, would she have come?
    (=If it didn't rain, would she have come?)

  • What would have happened if he hadn't shown up?
    (=What would have happened if he didn't show up?)
Real-World English Conversations

A) I saw two men fighting on the subway and I did nothing. What would you have done if you saw that?
B) If they were big and scary, then I probably would have done nothing. But, if they were regular men, then I probably would have tried to calm them down.

A) If our last project had been more successful, would our company have gone bankrupt?
B) I think our company would have gone bankrupt even if our last project were successful.
A) Really?
B) Our company had some serious financial problems that we didn't know about.

A) Why didn't you tell me that my ex-girlfriend was going to be at the party?
B) Would you have come if I had told you that?
A) Probably not.
B) That's why I didn't tell you. I wanted you to come.

A) What would have happened if World War 2 had never happened?
B) There is no way to know. I don't like those kinds of questions.
A) Really? I think those kinds of questions are fun to think about.


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