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Third Conditional and Conditional Linkers

Third Conditional and Conditional Linkers

Reference

Rule Example
third conditionalIf + had + PP, would have + PPIf I'd known, I'd have come.
possible resultmight / could have + PPwe might have won
unless= if notUnless you hurry, …
as long as= only ifas long as you're careful
even ifresult the same either wayeven if it rains

Common mistakes

  1. If I would have known, I would have come. → If I had known, I would have come.
    no would in the if-clause
  2. If she had asked me, I would help her. → If she had asked me, I would have helped her.
    past result → would have + past participle
  3. Unless you don't study, you'll fail. → Unless you study, you'll fail.
    unless already means if not
  4. I'll go even it rains. → I'll go even if it rains.
    even if, not even

Third Conditional and Conditional Linkers — Exercises

Choose the correct form

Circle the correct answer.

  1. If I _____ the answer, I would have told you. (had known / would know / knew)
  2. If we had left earlier, we _____ the train. (would have caught / would catch / had caught)
  3. She _____ the exam if she hadn't been ill. (might have passed / might pass / had passed)
  4. _____ you call me, I'll assume you're coming. (Unless / If / Even)
  5. You can stay out late _____ you text me. (as long as / unless / even if)
  6. We'll play the match _____ it snows. (even if / unless / as long as)
  7. If you _____ me, I wouldn't have forgotten. ('d reminded / reminded / 'd remind)
  8. If he hadn't fallen, he _____ the race. (would have won / would win / won)

Complete the conditional

Write the verb in the correct form, or the missing linker.

  1. If I   my phone, I could have called you. (not / lose)
  2. We would have gone to the beach if it   sunny. (be)
  3. If she had trained more, she   . (win)
  4.   we leave now, we'll be late.
  5. I'll lend you my notes   long as you give them back.
  6. She's going to the party   if nobody else goes.

Third Conditional and Conditional Linkers — Answer Key

Choose the correct form

  1. had known — Third conditional if-clause → had known.
  2. would have caught — Past result → would have caught.
  3. might have passed — Possible past result → might have passed.
  4. Unless — = If you don't call me → Unless.
  5. as long as — Only if → as long as.
  6. even if — The result doesn't change → even if.
  7. 'd reminded — had → 'd: 'd reminded.
  8. would have won — Third conditional result → would have won.

Complete the conditional

  1. hadn't lost
  2. had been
  3. would have won
  4. Unless
  5. as
  6. even