What is the function of gerund in this sentence, " Harry was punished for cheating."

What is the function of gerund in this sentence, "They called her playing brilliant."

What is the function of gerund in this sentence, "Reading is an important skill."

What is the function of gerund in this sentence, "For most birds, flying is a way to escape predators."

What is the function of gerund in this sentence, "My cat's favorite activity is sleeping"

What is the function of gerund in this sentence, "The team practiced running on Friday."

What is the function of infinitive in this sentence, "The best way to travel is by car; you can stop whenever you like."

What is the function of infinitive in this sentence, "In order to receive credit, you must complete all the questions."

What is the function of infinitive in this sentence, "The new assignment is to make a video."

What is the function of infinitive in this sentence, "Get pumped to deliver this speech!"

What is the function of infinitive in this sentence, "Lisa stood to teach me Renegade. I was pretty bad."

What is the function of infinitive in this sentence, "The topic to avoid is the Corona Virus. What can you argue about that?"

What is the function of infinitive in this sentence, "The best idea to research is one about which you genuinely care."

What is the function of infinitive in this sentence, "To suffer is not the goal of the speech. Mercy is not liable for any suffering incurred as a result of the speech."