If it .... (rain), snow .... (melt).
rains - melts
I ... (go) to Disneyland if I ... (pass) my exam.
will go - pass
We ... (come) to your party when we ... (finish) our homework.
will come - finish
Mum ... (not let) us go to the beach if it ... (be) windy.
won't let - is
If you ... (open) the gate, the dog ... (run) away.
open - will run
People .... (live) more happily if they .... (have) good friends.
live - have
.... (use) my book if you ... (not have) yours.
use - haven't
If you ... (mix) yellow with blue, you ... (get) green.
mix - get
If Mark .... (not come) to the party, Mary ... (be) sad.
doesn't come - will be
If she ... (call) me, I ... (not answer) the phone.
calls - won't answer
Take an umbrella ..... it's raining when you finish school.
in case
as soon as
Leave the books here ...... you are done reading them.
before
in case
when
Don't bring a cake to the picnic ..... you can keep it cold.
in case
unless
The children will play in the park ..... it gets dark.
until
after
unless
... I'm late to class, tell the teacher I'm on my way.
If
Unless
