Exercise 1. Use Conditional types zero or first
Put the verb in brackets into the Present Simple or the Future Simple.
If they all___(to come), the party__(to be great).
When you__( to see) my boss, tell him I__( to be ill).
If you__( to feed) the fish for three days, they__(to die).
I___( to reply) if you__( to write) to me.
When you__( to press) the button, the doorbell___( to ring)
I__( to go) to the cinema tonight if I__( to study) in the morning.
If you__( to sit) in the sun long enough, you__( to get sunburns).
When you__( to drink) coffee, you__( to wake up) faster.
.If she__( to study) harder, she__( to pass) the exam.
She will be angry if you come back late.
