he was seen to drink.这个句子对吗? he was seen drinking.呢?

he was seen to drink.这个句子对吗? he was seen drinking.呢? he was nowhere to be seen. He was seen to cross the street. He was nowhere to be seen.为什么要用不定式 1.-Henry doesn't seen to be what he was. he was seen to go out by me He was seen to have entered the room.啥意识 He was seen to go into the room 这里为什么SEEN后加TO he was seen--into the room .这个空 因该是 came 还是 come 还是 to come he was seen playing by me He didn't seen to mind__TV while he was trying to study.Atha He was seen to come in中to come in是什么成分?