Also use a semi-colon to separate large items in a list. Use a semi-colon to join a series of short sentences which belong together. Before going to the mall and then to the park, we need to clean the house.
Commas join incomplete sentences to complete sentences with a conjunction word.
As mentioned before, we took a fifteen-minute walk. They can also be used to set aside parenthetical statements, addresses, states, countries, years and exclamations, as well as separating three or more items. I sat, exhausted from the day, in my favorite chair. Go to the store and get milk, eggs, sugar, and butter, so that we can make cookies. These are the main types of punctuation with which most people become confused.