Why might knowledge of the compass have allowed the chinese to be the world's greatest sea power at one time?

Grammar: sequence of verp tenses quiz active the is used for an event that has been completed before the present moment in time. simple past past perfect perfect progressive past perfect progressive

Which line from the story of my life by helen keller is an example of a simile? during the whole trip i did not have one fit of temper, there were so many things to keep my mind and fingers busy. i was like that ship before my education began, only i was without compass or sounding-line, and had no way of knowing how near the harbour was. one day, while i was playing with my new doll, miss sullivan put my big rag doll into my lap also, spelled "d-o-l-l" and tried to make me understand that "d-o-l-l" applied to both. child as i was, i at once felt the tenderness and sympathy which endeared dr. bell to so many hearts, as his wonderful achievements enlist their admiration.

Which form does a verb take when the subject receives the action? passive active imperative indicative