First Conditional

1. "if" (condición)

1.1. If + simple present

2. Example

3. If I have time

4. Negative

5. If I don't have time

6. if you study

7. if she doesn´t go

8. Proposición principal (resultado)

8.1. simple future

9. I'll finish that letter.

10. I won't finish that letter

11. you will learn

12. I shouldn´t go