ZERO
If water ...... (reach) 100 degrees, it .....(boil).
reaches, boils
If you...(get) back late, I ..... (be).
get, will be
If he ....(be) younger, he ....(travel) more.
was, would travel
If it ..... (rain), you would have gotten wet.
had rained
You could have been on time if you had caught the bus.
3
If you ...(heat) ice, it .... (melt).
heat, melts
If the weather....(not improve), we ... (not have) a picnic.
doesn't improve
won't have
If I ...(be) a rich man, I ......(make) more charitable donations.
were
would make
If I hadn't eaten so much, I .....(not feel) sick.
wouldn't have felt
If you mix red and blue, you get purple.
zero
If you ....(mix) water and electircity, you ....(get) a shock.
mix, get
If you ... (not want) to go outside, I ...(cook) dinner at home.
don't want
will cook
She....(be) happier if she had more friends.
would be
You would .....(pass) your exam if you had worked harder.
have passed
If you went to bed earlier you wouldn't be so tired.
2
When it ....(rain), the grass ...(get) wet.
rains, gets
.... the teacher ....(give) her a low mark if Rita ...(forget) her homework?
will....give...forgets
If I ....(be) you, I wouldn't trust him.
were
I .... (believe) you if you hadn't lied to me before.
would have believed
If I have time, I will help you.
1
The river ....(freeze) if it ....(be) very cold.
freezes, is
She will go shopping on the way home if she ...(have) time.
has
If we ...(not/visit) the museum, we ...(not/write) a good report.
didn't visit
wouldn't write
If I had known you were coming I ....... a cake.
would have baked
We wouldn't have got lost if you hadn't given me the wrong directions.
3