he was seen playing by me为什么是playing 不是to play 不是说听观感使让帮被动的时候要还原to吗

he was seen playing by me为什么是playing 不是to play 不是说听观感使让帮被动的时候要还原to吗 he was playing tennis with 英语 句子成分,句子结构(1) I saw him playing basketball yesterday.I是主语,saw谓语,him宾语,playing basketball是宾补,yesterday是状语,(2) He was seen playing basketball yesterday.He是主语,was系动词,seen表语,playing basketba 英语 句子成分,句子结构(1) I saw him playing basketball yesterday.I是主语,saw谓语,him宾语,playing basketball是宾补,yesterday是状语,(2) He was seen playing basketball yesterday.He是主语,was系动词,seen表语,playing basketba Tom was seen playing on the playground是什么? He was seen to cross the street. He_ playing football when his mother_to the hospital.A saw;took B.was seen;was taken Cwas seen;tooD是was seen;was taking 选哪个啊 Tom,along with three other boys was seen playing football a moment ago 为什么用WAS Mike was injured when he was playing football.(bad) he was so surprised that he couldn't believe what he had seen同意句he has____surprised_____believe what he seen he was seen to drink.这个句子对吗? he was seen drinking.呢?he was seen drinking in / at a restaurant.应该用哪一个冠词呢?谢谢大家 The girl was last seen ____by the rive.A.to play B.Playing C.Played D.to be playing 主语补足语!在线等!he was last seen playing near the river 问题一 这句话翻译过来怎么是 有人最后一次看见他在河附近玩? 是怎么个翻译法的?问题二 he是主语 was last seen是谓语?对不?问题三 playin The boy was last seen being playing by the riverside with other boys 改错 The boy was seen ______on the sports ground.play / to play /playing He was seen to have entered the room.啥意识 He was often seen _________(talk)a walking the streat. He was nowhere to be seen.为什么要用不定式