Third Conditional – Exercises

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Exercises

Complete the sentences using the third conditional.

  1. If you (look)  more carefully, you (find)  your house keys.1. if-clause: past perfect|2. main clause: would have + past participle|irregular participle: find-found-found
  2. Don’t worry, the dog (eat)  if he (be)  hungry.1. main clause: would have + past participle|irregular participle: eat-ate-eaten|2. if-clause: past perfect|irregular participle: be-was/were-been
  3. If we (wait)  any longer, we (burn)  the cookies.1. if-clause: past perfect|2. main clause: would have + past participle|The verb burn has a regular and an irregular past participle form: burned/burnt
  4. It was definitely a UFO! You (think)  the same if you (see)  it too!1. main clause: would have + past participle|irregular participle: think-thought-thought|2. if-clause: past perfect|irregular participle: see-saw-seen
  5. I think she (say)  no if you (ask)  her on a date.1. main clause: would have + past participle|irregular participle: say-said-said|2. if-clause: past perfect

Complete the sentences with the third conditional.

  1. He (call)  if his phone (not/die) .1. main clause: would have + past participle|2. if-clause: past perfect
  2. I (not/offer)  the asking price if I (know)  about all the problems.1. main clause: wouldn’t have + past participle|2. if-clause: past perfect|irregular participle: know-knew-known
  3. We (not/be)  late if James (remember)  the tickets.1. main clause: wouldn’t have + past participle|irregular participle: be-was/were-been|2. if-clause: past perfect
  4. I (buy)  the dress if it (not/be)  so expensive.1. main clause: would have + past participle|irregular participle: buy-bought-bought|2. if-clause: past perfect|irregular participle: be-was/were-been
  5. If the bar (not/close)  at 12, we (stay)  out all night!1. if-clause: past perfect|2. main clause: would have + past participle

Complete the questions with the third conditional.

  1. If you (have)  the option, (you/stay)  in Paris for longer?1. if-clause: past perfect|irregular participle: have-had-had|2. question in main clause: would + subject + have + past participle
  2. If we (negotiate)  a bit, (they/reduce)  the price?1. if-clause: past perfect|2. question in main clause: would + subject + have + past participle
  3. If you (know)  about the crime, (you/tell)  the police?1. if-clause: past perfect|irregular participle: know-knew-known|2. question in main clause: would + subject + have + past participle|irregular participle: tell-told-told
  4. If we (meet)  20 years ago, (we/be)  friends?1. if-clause: past perfect|irregular participle: meet-met-met|2. question in main clause: would + subject + have + past participle|irregular participle: be-was/were-been
  5. (she/leave)  if we (try)  harder?1. question in main clause: would + subject + have + past participle|irregular participle: leave-left-left|2. if-clause: past perfect