It is a word that connects words, clauses, and sentences.
Answer:
i think this is passive but i would double check
They went to the railroad stations and bought tickets for the fast trains and the slow trains and even the trains that back up and run backward instead of where they start to go.
Explanation:
1. If she wins the lottery, she would be happy.
2. Was he a pilot, he has visited the cities in the world.
