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Conditional Sentences Type III

As we know, there are four types of conditional sentences. They are: Zero Conditional Sentences, First Conditional Sentences, Second Conditional Sentences, Third Conditional Sentences.  In this episode, we are going to discuss the Third Conditional Sentences (Conditional Sentences Type III).

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Pattern of Conditional Sentences Type III

Conditional sentences type III have the following pattern :
Sub Clause
(If Clause /Conditional Clause)
 Main Clause
 If + Past Perfect Tense
If + Subject + had + Verb III
 Subject + would + have + Verb III

Expressing Imagined Past Situations

Conditional Sentences type III is used to express imagined situation in the past. It is unlikely to happen. Nobody can change the past, can they?
Let’s see the following examples :
  1. If He had played well last night, We would have won the football match.
  2. If you had come to the party last night, you would have seen Sue.
  3. If I hadn’t gone to Oslo a few years ago, I would not have met my wife.
  4. If I had known that you were ill, I would have gone to see you.
  5. He wouldn’t have had an accident if he hadn’t driven his car carelessly.

Conditional Sentences Type III Exercise

Exercise I

In this exercise you have to choose the correct verb form in the bracket!
  1. The accident wouldn’t have happened if the driver ( didn’t  stop, hadn’t stopped, stopped) suddenly.
  2.  If she had had enough money, she ( would buy, would have bought, bought ) the diamond ring.
  3. If she hadn’t cheated in the match, she ( would not be disqualified, would not have been disqualified, was disqualified ).
  4. If all of the passengers had put on a  life-jacket, a lot of them ( wouldn’t  die, wouldn’t have died, didn’t die) when the boat capsized last week.
  5. He ( wouldn’t be, wouldn’t have been, was not) ill if he hadn’t gone out in the rain.

Exercise II

Write a conditional sentence type III base on the situations given.

Example:

Situation: There was a football match last Sunday. You didn’t watch it because you didn’t know it.

You write: If I had known (there was a football match last Sunday), I would have watched it.

  1. There was a good movie last night. You didn’t know it, so you didn’t watch it.
  2. Your old friend was in town yesterday. You didn’t invite him to dinner because you didn’t know about it.
  3. My special girlfriend needed a screen protector. You didn’t buy it for her because you didn’t know about it.
  4. It rained last night. My mother didn’t bring an umbrella with her because the weather was fine.
  5. I was starving last night. There was no food in the fridge.

Answers

Exercise I

  1. The accident wouldn’t have happened if the driver hadn’t stopped suddenly.
  2.  If she had had enough money, she  would have bought the diamond ring.
  3. If she hadn’t cheated in the match, she  would not have been disqualified.
  4. If all of the passengers had put on a  life-jacket, a lot of them  wouldn’t have died when the boat capsized last week.
  5. He  wouldn’t have been ill if he hadn’t gone out in the rain.

Exercise II

  1. If I had known (there was a good movie last night), I would have watched it.
  2. If I had known (my old friend was in town), I would have invited him to dinner.
  3. I would have bought a scree protector for my special girlfriend if I had known she needed one.
  4.  My mother would have brought an umbrella with her if the weather hadn’t been fine.
  5. I wouldn’t have been starving last night if there had been some food in the fridge.

Download the exercises and answers here.



Conditional Sentences Type III Video

Conditional Sentences Type 3 Animated Lesson

English “If” Conditional – Type 3


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