Answer:
15. Have <u>you</u> ever been to Oregon?
(Turn into a statement --> You have ever been to Oregon)
16. The <u>plane</u> crashed on July 1, 1952.
17. My <u>neighbors</u> n saw the moving van.
18. Some loud <u>sirens</u> were also heard.
19. The <u>music</u> could be heard two blocks away.
20. This <u>area</u> of the country is dry and barren.
Explanation:
Verbs show the the action that the subject is doing. The bolded words are verbs, as they are the action. Subjects are the thing or person doing the action. Subjects can be a person, place, thing , or idea.