Conditional sentence

Conditional Sentences are also known as Conditional Clauses or If Clauses. They are used to express that the action in the main clause (without if) can only take place if a certain condition (in the clause with if) is fulfilled. There are three types of Conditional Sentences

Conditional Sentence Type 1

It is possible and also very likely that the condition will be fulfilled.

Form: if + Simple Present, will-Future

Example: 

1. If I find her address, I’ll send her an invitation.

2.   If she comes, I will give her the message.

3.   If you study hard, you will pass the final exam.

4.   If she wins the competition, they will give her a gold medal.

5.   He will not go to the picnic, if it rains. 

6.    If we arrive late, she will be angry with us.

Conditional Sentence Type 2

It is possible but very unlikely, that the condition will be fulfilled.

Form: if + Simple Past, Conditional I (= would + Infinitive)

Example:

1. If I found her address, I would send her an invitation.

2. If she visited me, I would give her money.

3. If I had enough time, I would go fishing.

4. If you were a sugar, I would be a ant.

5. If Natasha Rizky were my girlfriend, I would be the happiest boy in the world.

6. If he smokes less, he wouldn’t cough so much.

Conditional Sentence Type 3

It is impossible that the condition will be fulfilled because it refers to the past.

Form: if + Past Perfect, Conditional II (= would + have + Past Participle)

Example:

1. If I had found her address, I would have sent her an invitation.

2. If he had studied hard, he would have passed the final exam.

3. If the team had played well, it would have won the competition.

4. If Alter Bridge had been here, I would have been very happy.

5. If you had come to my house, you would have met me.

6. If I had known her number, i would have called her.