Punctuation

Question 1

The comma marks …

Answer 1

The comma marks a short pause between elements in a sentence.

Question 2

Separating main clauses with a comma

For example …

Answer 2

Main clauses that are joined together with “and” or “but” do not normally have a comma before the conjunction unless the two clauses have different subjects.

For example: It was cold outside, but we decided to go for a walk anyway.