If you _____(mix) red with blue, you (get) purple.
mix, get
If my sister ___(go) out tonight, she _____(go) to a karaoke club.
goes, will go
She ___ (pass) the test if she ___ (Study) harder.
would pass, studied
If you______ me, I would have gone. (to tell)
had told
The time changes if you cross an international dateline.
ZERO
(not, give) _______the kids candy unless they (finish)______their meal.
Do not give, Finish
I___ (be) surprised if John ___(show ) up tonight
will be, shows
I _____ (ask) for his autograph if I ____ (meet) him in the street.
would ask, met
They ______it if they had known what to do. (would/ to do)
would have done
If I won the lottery, I would buy a big house
Second
____water _____(evaporate) when sunlight ___(warm) its surface?
Does, evaporate, warms
if the weather ___ (be ) nice tomorrow, we ___ (host) a barbecue
is, will host
If you ___ (eat) more protein, you ____ (gain) muscles
ate, would gain
If she _______so many classes, she would have passed. (note/ to miss)
had not missed
If we see her, we will tell her what the teacher said.
First
_____(turn off) the lights if you_____ (leave) the room.
Turn off, leave
If it ___ (rain), ___ (take ) your umbrella with you
rains , take
If I ____ (be) rich, I ____( buy) my dream car
were, would buy
If you _____earlier, , we wouldn't have missed the flight. (have/ awake)
had woken up
If I had a 3D printer, I would make some cool sunglasses
Second
When you ___(hear) the alarm, always _____ (duck, cover)
hear, duck and cover
He will ____ (invite) Sarah if she ___ (be) free this Saturday
invite, is
What _____ (would do) if you ____ (be) the doctor?
would you do, were
We ______ if we had known about it. (could/ to go)
could have gone
Third