If it rains, we'll go to the cinema. The first conditional refers to possible future events and uses the present simple in the if-clause and will + infinitive in the main clause. Examples are provided of forming the first conditional in both the if + present simple + will + infinitive structure and the will + infinitive + if + present simple structure. Practice sentences are given for learners to form the first conditional by putting verbs into the appropriate tense. The document provides an explanation and examples of how to use and form the first conditional in English.

1. First Conditional
Use, Examples and Exercises

2. Use:

The first conditional refers to the future. It is
used when there is a possibility that the if ­
event might happen.
If it rains, we'll go to the cinema.
(It might rain or it might not)

3. If the sun shines, we'll go to the beach.
(The sun might shine or it might not)
Note: going to is sometimes used in the first
conditional to describe a future plan:
If it rains, we're going to visit my mother.

4. Form:
if + present simple + future will + inf. verb
If you drop it, it'll break.
If you come at ten, we'll be ready.
If you phone me, I'll pick you up at the park.

5. Future will 'inf. Verb + if + present simple
It'll break if you drop it.
We'll be ready if you come at ten.
I'll pick you up later if you phone me.

6. Practice: Write these sentences, putting the
verbs in brackets into the present
simple or the future simple.
1. If the train (be) late, we (walk).
____________________________________________
2. She (call) you if she (have) time.
____________________________________________

7. Practice: Write these sentences, putting the
verbs in brackets into the present
simple or the future simple.
1. If the train (be) late, we (walk).
If the train is late, we will walk.
2. She (call) you if she (have) time.
She'll call you If she has time.

8. 3. If it (cost) too much, I (buy) a smaller one.
____________________________________________
4. If the doctor (can not see) me, I (go) somewhere
else.
____________________________________________
5. If the class (be) full, we (find) another one.
___________________________________________

9. 3. If it (cost) too much, I (buy) a smaller one.
If it costs too much, I will buy a smaller one.
4. If the doctor (can not see) me, I (go) somewhere
else.
If the doctor can't see me, I will go somewhere If the doctor can't see me, I will go somewhere
else.else.
5. If the class (be) full, we (find) another one.
If the class is full, we will find another one.

10. 6. What we (do) if the taxi (not come)?
_________________________________________
7. you (phone) me if there (be) any problems?
___________________________________________

11. 6. What we (do) if the taxi (not come)?
What will we do if the taxi doesn't come?
7. you (phone) me if there (be) any problems?
Will you phone me if there is any problem?

12. Material created by
Danitza Lazcano Flores
Teacher of English
Master of Education
Educational Counselor