1.coming看似他来了~2. came伴随状语.
comingcame
to come was coming
to comewas coming
1. He was seen COMING.他被看到来了(正在来的路上)。2. When she was shopping, someone CAME to the house.以为前面是WAS shopping,过去的时态,所以后面的动词的时态也要统一,用过去式。而这里不能用was coming。