USE A COMMA TO SEPARATE:
- words, phrases and clauses. eg. After the flood, I left home.
- items in a list eg. milk,bread,butter,eggs.
- two or more describing words eg. the large, fat frog.
- a short phrase at the beginning of a sentence. eg. At dawn, he woke up.
- inserted clauses. eg. Bill, who was tired, fell asleep quickly.
- the name of someone who is being addressed. eg. "Mum, I'm hungry."
- text at a natural pause in a sentence. eg. "I'm not your slave," she replied.