If you _________ (freeze) water, it __________ (turn) to ice.
They ___________ (arrive) at half past nine If they ___________ (catch) a bus now.
If I _____________(be) you, I wouldn’t accept that job. It sounds terrible!
You should ________(eat) more organic foods, if you want to be healthy.
If we play football on Saturday, we____________ (be) tired on Sunday.