he was even seen reading in the toilet.为什么用seen

he was even seen reading in the toilet.为什么用seen He was seen () in the reading room an hour ago. He was seen sit in the reading room an hour ago 英语翻译1、有人看见她在教室里看书.（3分）A、He was seen reading in the classroom He was seen to go into the room 这里为什么SEEN后加TO He was nowhere to be seen.为什么要用不定式 He was seen to cross the street. He must be in the building because he was seen()the building neither i nor he has seen the has seen可以改成hasn‘t seen吗?为什么 (seen)to entered the room ,he was asked to the policeman.为什么 he was last seen in public on the occasion of his daughter's He was last seen in public on the __of his daughter's weddin