We don't have any class this afternoon. We are going to the gym.
If...
You came to school late. You were told off.
If...
Jim didn't have a driving licence, so he couldn't buy a car.
As long as...
I will call you if the flight is delayed.
Unless...
Tom must practise more to be a really good guitarist.
Providing...
I went to the library because I needed to borrow some books.
If...
You should ask Tom for help.
If I...
Bob was worried because he had lost his watch.
If...
If you don't hurry you won't be able to catch the bus.
Unless...
You'd better to get a sweater. It might get cold.
In case...
