A conditional sentence is a sentence that expresses a condition. A condition is something that can only happen IF something else occurs.
A conditional sentence contains an independent clause and a dependent clause that almost always begins with “if.”
In zero conditional sentences, the tense in both parts of the sentence is the simple present.
Zero Conditional Examples
- If you heat ice, it melts.
- Ice melts if you heat it.
- When you heat ice, it melts.
- Ice melts when you heat it.
- If it rains, the grass gets wet.
- The grass gets wet if it rains.
- When it rains, the grass gets wet.
- The grass gets wet when it rains.
- If people eat too much, they get fat.
- If you touch a fire, you get burned.
Conditional Sentence Type 1
It is possible and also very likely that the condition will be fulfilled.
Form: if + Simple Present, will-Future
Example: If I find her address, I’ll send her an invitation.
Conditional Sentences Type I Examples
- If I get a Netflix Subscription, I will watch movies all day long.
- If I study hard, I will pass the test
- I I train hard, I will be in better shape for the marathon
- If she saves money, she will buy a new car by December.
- If you surf in this area, you will be attacked by a shark
- If you play video games all night long, you will be exhausted tomorrow.
- If she wins, she will be the first champion in the division.
- If you don’t add the right ingredients, the cake will taste awful
- If you put pineapple, the pizza will taste so much better.
- If he wins the lottery, his mom will be able pay her debts.
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: If I found her address, I would send her an invitation.
Conditional Sentences Type 2 Examples
- If she knew the answer, she would win the prize
- If I had your phone number, I would call you
- I would buy you a present if I had enough money
- If I studied,I would pass the exams.
- I would be in better shape if I went to the gym more often
- If she trained hard, she could lose some weight.
- If he wasn’t so lazy, he would get a job
- If it didn’t rain, we would go on a picnic.
- If I went to Paris, I would see the Eiffel Tower
- If I were you, I wouldn’t marry him.
Conditional Sentence Type 3
It is impossible that the condition will be fulfilled because it refers to the past.
In type 3 conditional sentences, you can also use modals in the main clause instead of “would” to express the degree of certainty, permission, or a recommendation about the outcome.
Form: if + Past Perfect, Conditional II (= would + have + Past Participle)
Example: If I had found her address, I would have sent her an invitation.
Conditional Sentence Type 3 Examples
- I would have passed the exams if I had studied.
- If you had worked hard, you had passed the exam.
- f I had known you were coming I would have prepared a delicious meal
- If you hadn’t lied to me before, I would have believed you.
- You could have been on time if you had caught the bus.