SO, BECAUSE, BUT, ALTHOUGH CONNECTORS SO, BECAUSE, BUT, ALTHOUGH
BUT It is used to contrast to different ideas. Examples: He plays tennis. He doesn’t swim. He plays tennis, but he doesn’t swim. I live in Bristol, but I work in London.
SO It is used to talk about the result of something; it links two actions (=and therefore…) Examples: Situation Result: I’m tired. I’m going to bed. I’m tired, so I’m going to bed. They were late, so they missed the train.
BECAUSE It is used to give the reason for something. Examples: Reason Mary is in bed because she’s got the flu. We couldn’t go out because I was in a hurry. I took a taxi because I was in a hurry.
BECAUSE OF It is used with a noun (e.g. flu, weather, noise). Examples: Reason Mary is in bed because of his flu. We couldn’t go out because of the storm. I couldn’t sleep because of the noise.
ALTHOUGH It is used to contrast two ideas or situations within a sentence. Examples: Although the weather was very cold, we decided to go for a walk. The government passed the new law although many people opposed it.