Mastering the Third Conditional

Which of the following is a correct third conditional sentence?

• If I had known, I would go.

• If I had known, I will have gone.

• If I know, I would have gone.

• A) If I had known, I would have gone.

Which sentence is in third conditional?

• If I see the movie, I would have enjoyed it.

• If I saw the movie, I will enjoy it.

• A) If I had seen the movie, I would have enjoyed it.

• If I had seen the movie, I would enjoy it.

Identify the error in this sentence:

"If she had studied harder, she would pass the exam."

• Had studied

• No error

• Would have passed

• B) Would pass

Which sentence correctly uses the third conditional?

• If they leave earlier, they would have caught the train.

• If they had left earlier, they will catch the train.

• If they had left earlier, they would catch the train.

• A) If they had left earlier, they would have caught the train.

Transform this sentence into third conditional:

"He missed the bus."

• B) If he had not missed the bus, he would have arrived on time.

• If he had missed the bus, he would be late.

• If he does not miss the bus, he will be on time.

• If he had missed the bus, he would have arrived on time.

What is the structure of a third conditional sentence?

• If + past simple, would + past participle

• If + past perfect, will + base form

• If + future simple, would + base form

• B) If + past perfect, would have + past participle

Choose the correct third conditional form:

"If I (know) about the party, I (go) too."

• know, would have gone

• A) had known, would have gone

• knew, would have gone

• had knew, would go

Identify the correct usage:

"If we had left on time, we (not miss) the flight."

• will not have missed

• A) would not have missed

• would not have been missing

• did not miss

Which of the following sentences is incorrect?

• If he knows, he would have helped.

• If she had called, I would have answered.

• If I had known,

  I would have helped

• If they had continued, they would have been together.

Transform this sentence into third conditional:

"They didn't invite us."

• If they didn't invite us, we wouldn't have gone.

• A) If they had invited us, we would have gone.

• If they had invited us, we would go.

• If they invite us, we would have gone.