3.2. Study each of the sentences below. One form of punctuation in each sentence is incorrect. Explain why the punctuation is incorrect, and then re-type the sentence using the correct punctuation. Note: Type out the full sentence and highlight the new punctuation used in yellow. 3.2.1 The students' hats were placed on hooks by the door. (2 mark) 3.2.2 "How could I be so forgetful!", I thought to myself. (2 mark) 3.2.3 John's mother frowned. She didn't like what he said to his sister. (2 mark) 3.2.4 Please ensure to bring the following items on the camping trip - hiking boots, food, and a sleeping bag. (2 mark)