Third Conditional – Free Exercise

display incorrect answers

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