Conjunctions

Conjunctions are used to join two ideas.
The most usual conjunctions are and, but, and or:

 

Paul and David.

cold and wet.

tired but happy.

slowly but surely.

tea or coffee.

hot or cold.

Conjunctions can also join two sentences:

Paul plays football.
David plays chess.

Paul plays football and David plays chess.

I play tennis.
I'm not very good.

I play tennis but I'm not very good.

We can eat now.
We can wait till later.

We can eat now or we can wait till later.

Other conjunctions:

Because gives the reason for something.

I didn't come because it was raining.