i saw a man be about to cross the road.这话对么?

题目

i saw a man be about to cross the road.这话对么?
I was footing eastwards along the Park Road when I saw an old man who came out of the city park,located the other side of the street,be about to cross the street.

答案

I saw a man who is about to cross the road.
I was footing eastwards along the Park Road when I saw an old man who came out of the city park,which is located the other side of the street,crossing the street.