1. presents a reason: so, the coordinating conjunction “so” is used when we want to provide an explanation of why something happened. It is also used to express a consequence. Example: “it’s raining, so I’ll take an umbrella”
2. shows a contrast between two ideas: but, the coordinating conjunction “but” is used when we want to contrast two positions. Example: “I like playing computer games, but I have to study now.”
3. expresses addition: and, the coordinating conjunction “and” is used when we want to add ideas in a sentence. Example: “I like playing soccer and basketball.”
4. shows a choice between two things: or, the coordinating conjunction “or” is used when we have to choose from different options. Example: “Would you like some coffee or tea?”
