Explain that commas can be used to set off a tag question. Then display several examples on the interactive whiteboard. Have students drag a comma to the correct place in a sentence and drag the correct question tags. After this, students will practice by choosing 3 tag questions and writing 3 sentences, making sure to include commas correctly. Next, explain that commas can be used to address a person directly. The noun names the person who is being spoken to and can be placed in the beginning, middle, and end of a sentence. Explain that if the name is in the middle, a comma should be placed before and after. Once again, students will write 3 sentences. They should be addressed to someone in the class and they should use commas correctly.