Ok i actually do need help coming up with an idea for satirical fairytail parody thats funny .Its due next friday and the main character has to learn a lesson by the end of the story .I came up with a Pinocchio alike fairytale but its just doesnt fit right with the plot of the story so i need help. i will give brainliest
(please no links or you will get reported)

What is the main effect produced by the repeated word pattern in the first two stanzas of the poem "your laughter"?

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

Which verb from is used to indicate the perfect progressive tense