She saw the boy falling from the tree改为被动句怎么改,大虾们,帮帮我!

l saw a little boy fall into the water.是用fall还是falling? i saw a boy ()into the river.用fall还是falling? I saw a boy fall off the bike and hurt himself.还是I saw a boy falling off the bike and hurting hiI saw a boy fall off the bike and hurt himself.还是I saw a boy falling off the bike and hurting himsilf。 i saw with my own eyes the boy fall from the tree这里的fall是什么用法,为什么不是falling或 fallen l saw a little boy fall into the water.为什么不用fell,而用fall?为什么不用它的过去式呢,不是已经发生 I saw a boy fall off a bike,这句话saw用了过去式,为什么fall不用? fall out boy的 the phoenix fall out boy的 the phoenix She saw the boy falling from the tree改为被动句怎么改,大虾们,帮帮我! When the first time I saw it,I can't move my eye,I think I am 100% fall in love with she.(改错） She saw the s_____ in the classroom She likes a boy.She likes the boy.都对吗. fall out boy的 the phoenix mv什么意思 thanks for the memory fall out boy求mp3! The boss made the little boy do heavy work.改为被动语态怎么改?还有一句：A girl saw my wallet drop when she passed by. the boy looked the sky,but he saw nothing 改错 When the boy (shop),he saw the UFO (take off) I saw she was watering the flowers