No, this is false because an example of a present tense verb would be jump or turn. Past tense would be jumped or turned. So, this statement is not true because -ed, -d, and -t would be past not present part.
The one that presents a main idea is number (3) "Fire, in fact, has been a significant factor in human development and progress in many ways".
<u>The main idea of a paragraph states the primary point that the author wants to express and transmit to the reader</u>. Generally, the main idea is announced in a single sentence and this sentence is usually located at the beginning of a paragraph. In the case of the paragraph provided,<u> sentence 3) is the one that contains the main idea because it encompasses all the supporting details that are included in the rest of the sentences</u>. In other words, sentences 1), 2), 4), 5), 6) and 7) provide supporting information for the main point stated in sentence 3).
The following sentence is in active voice.
1. Your backyard is a Garden of Eden. (Biblical allusion)
2. I guess I should see this message about a new job as my burning bush. (Biblical Allusion)
3. When you feel betrayed by a friend, you can say, "You too, Brutus?" (allusion to Julius Caesar-Brutus betrayed Caesar)
4. You're a regular Einstein. (allusion to a historical figure)
5. When your parents learn about your new plan to raise money, it's going to sink like the Titanic. (allusion to a historical event)
