Cover of the textbook English Grammar in Use

The key answer of exercise 40.1

The key to exercise solutions in chapter Unit 40 - if I had known ... I wish I had known ... for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press


Put the verb into the correct form.


  1. If I'd seen you, I would have said hello.
  2. If she'd missed the train, she would have missed her flight too.
  3. I'd have forgotten if you hadn't reminded me.
  4. If I'd had your email address, I'd have sent you an email.
  5. they'd have enjoyed it more if the weather had been better.
  6. It would have been quicker if we'd walked.
  7. If you had told me, I'd have tried to help you.
  8. I were / I was
  9. I'd been