Conditional sentences are used to express something stated in the main clause will only take place if the condition in if clause is fulfilled. Conditional Sentences are also known as Conditional Clauses or If Clauses. There are three types of conditional sentences as follow.
main clause + if clause
Conditional Sentence Type I
Conditional sentences type I use a structure for talking about possibilities in the present or in the future. The pattern is: if + simple present, will (future).
- If I have a lot of money, I will go to Egypt.
- If it’s sunny, we’ll go to the beach.
- I’ll clean the house if you cook dinner.
Conditional Sentence Type II
Conditional sentences type II use a structure used for talking about unreal about unreal situations in the present or in the future. The pattern is: if + simple past, conditional I (would + infinitive).
- If I had a lot of money, I would go to Egypt. (Since I do not have a lot of money, I cannot go to Egypt.)
- If I were you, I would buy that motorcycle.
Conditional Sentence Type III
Conditional sentences type III use a structure for talking about unreal situations in the past. In other words, it is used to talk about things which DID NOT HAPPEN in the past. The pattern: if + past perfect, conditional II (would + have + past participle).
- If I had had a lot of money, I would have gone to Egypt. (but I didn’t have it, and so I didn’t go to Egypt)
- If you had driven more carefully, you wouldn’t have had an accident.
- If I had known her address, I would have gone to her house.