Should/Must
You ____ wear a seatbelt in the car.
must
If you don't study, you won't pass the exam.
Conditional Type 1
If it rain, we will cancel the picnic.
If it RAINS, we will cancel the picnic.
My room is _____ (not/tidy) my sister's room.
not as tidy as
I _____ clean the kitchen once a week.
have to
If you are going surfing, you ______ put on sunscreen.
should
People get hungry if they don't eat.
Conditional Type 0
If you will pour oil on water, it float.
If you POUR oil on water, it FLOATS.
My kitchen is ______ (not/big) to host 30 people for dinner.
not big enough
I _____ load the dishwasher. That is my sister's job.
don't have to
If you are stuck in a current, you _____ swim against it.
shouldn't
If I won the lottery, I would travel around the world.
Conditional Type 2
If he hadn't scored that goal, they wouldn't won the world cup.
If he hadn't scored that goal, they wouldn't HAVE won the world cup.
The living room is ______(wide) for a small sofa.
too wide/wide enough
I hate cleaning the kitchen, but I ____ do it anyway.
have to
You _____ throw pencil cases at your classmates.
mustn't
If you freeze water, it turns to ice.
Conditional Type 0
If she went outside, she would saw the parade.
If she went outside, she would SEE the parade.
My bedroom ceiling is ______ (high) to fit a whole giraffe!
high enough
_____ you _____ do the dishes?
Don't / have to
You _____ always wear a helmet when skateboarding.
should
Maybe if we look a bit more, we will find a cheaper hotel.
Conditional Type 1
She would had become a teacher if she had gone to university.
She would HAVE become a teacher if she had gone to university.
That car is ______ (expensive) an apartment.
as expensive as
____ Mike _____ help with household chores?
Does / have to