Read the following sentences and match each one to the corr

Read the following sentences and match each one to the correct option:
I. I will exercise if I have enough time. II. You wouldn’t be so tired if you went to bed earlier. III. A lot of people would have died if scientists hadn’t invented cures for the illnesses. IV. I get tired if I work too much.
( ) Zero conditional ( ) First conditional ( ) Second conditional ( ) Third conditional