zero conditional
When you heat chocolate, it ______ (melt).
melts
If I ______(study) today, I _____ (go) to the party tonight.
study/will go
If I _____ (win) a lot of money, I ____ (buy) a big house in the country.
won/would buy
If I ______ (know) you were in hospital, I ______ (visit) you.
had known/would have
If I ______ (be) a good cook, I _____ (invite) them to lunch.
was/would have
When the sun goes down, it _____ (get) dark.
gets
I _____ (pass) her your greetings if I _____ (see) her.
will/see
If Mary _____ (have) time, she _____ (visit) her boyfriend.
had/would visit
If you _______ (warn) me earlier, I ______ (be able) to come.
had warned/would have been able
I ______ (be able) to translate the letter if my Italian ____ (be) better.
would have been able/was
If I ______ (drink) too much coffee, I ______ (sleep) at night.
drink/can't sleep
She _____ (fail) the test if she ______ (not study).
will/doesn't
I ______ (not worry) if I ______ (be) you.
wouldn't/were
If it ______ (not snow), I could ______ (drive) here.
hadn't/could have driven
If we _____ (look) at the map, we _____ (not be) lost.
had looked/wouldn't
When spring _____ (come), trees _____ (bloom)
comes/bloom
She _____ (be) late if the train _____ (be) delayed
will/is
If I _____ (know) the answer, I ______ (tell) it to you.
knew/would tell
If I _______ (understand) the instructions properly, I ______ (pass) the exam.
had understood/would have passed
If she _____ (be) really my friend, she _____ (lie) to me.
was/wouldn't have lied
If you _____ (touch) fire, you ____ (get) burned.
touch/get
If you ______ (be not) feeling well, _____ (leave) the class.
aren't/leave
What _____ (do) you, if you _____ (be) me?
would do/were
We _______ (get lost) if my phone ______ (run) out of battery.
wouldn't have got lost/hadn't run out
It's really important. If it ____ (not be), I ______ (not call) you on your holiday.
wasn't/wouldn't have called