I saw a little boy trying when i passed the park,some time l

I saw a little boy trying when i passed the park,some time l I saw a little boy trying when i passed the park passed能改成pa i saw a boy crying when i passed the park（后面一个i能去掉吗? 改错：For the first time I saw him,he was only a little boy When I passed there,I saw some farmers ____(work) in the fie When I passed the playground,I saw some students _____ footb When I passed by the station,I saw the accident _____.A.happ when the little boy saw the dog ,he was a----- when I walked____the park,I saw a man____the guitar there I saw a very cute boy in the park this morning.改为一般疑问句. I'll find a boy when the time is   Yesterday I saw a man （）in the street ,with a little boy ()o