The verb phrase is underlined in the sentence. what principal part is the main verb? she is coming for a visit this summer. a. present b. present participle c. past participle d. past

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.