If Rita will open a boutique in the High Street, she’ll make lots of money.
If Rita opens a boutique in the High Street, she’ll make lots of money.
I'm sure he (come) if you (invite) him.
I'm sure he'll come if you invite him.
Stay in bed / feel better
If you stay in bed, you'll feel better.
If the economy doesn’t improve, lots of businesses would close down.
If the economy doesn’t improve, lots of businesses will close down.
If I (do) all my work on time, I (spend) some time with my family.
If I do all my work on time, I'll spend some time with my family.
Work hard / get a job
If you work hard, you'll get a job.
This burglar alarm is so sensitive: it will go off if a mouse will run across the floor.
This burglar alarm is so sensitive: it goes off if a mouse runs across the floor.
If it (snow) tomorrow, the children (play) snowballs.
If it snows tomorrow, the children will play snowballs.
Go shopping / spend much money
If you go shopping, you'll spend much money.
When you will heat ice, it will melt.
When you heat ice, it melts.
(write) you to me if I (give) you my address?
Will you write to me if I give you my address?
Ride a bike / get there quickly
If you ride a bike, you'll get there quickly.
If you will stay in the sun very long, you become sunburned.
If you stay in the sun very long, you become sunburned.
If you (want) those pictures, you (can) have them.
If you want those pictures, you can have them.
Come now / go out together
If you come now, we'll go out together.