I saw a little boy trying when i passed the park,some time later another man was passing.为什么一个pass用ed一个用ing?pass表经过时是短暂性动词吗?短暂性动词能有进行时形式吗?

I saw a little boy trying when i passed the park passed能改成passing吗? 改错：For the first time I saw him,he was only a little boy I saw him __________when I went into the office (cry)The little boy was so ____________thathe couldn’t say a word (frighten)3.We MUST BE _____________to the homeless animals(friend)4.He LOOKS __________..I dont like him (stranger) I saw a little cat对 a little cat提问 英语翻译I hurried into the store to get Christmas gifts.Suddenly,I saw a little boy holding a lovely doll.He kept (41) her hair.I watched him turn to a woman and say.“Are you (42) I don't have enough money?” She said yes and told the boy not I want to be a little boy. the little boy didn't cry anymore when he saw his mother同义句the little boy cried （）（）whenhe　saw　his　mother 九年级英语短文填空Long long ago,a little boy was walking through a park .There he saw a tall tree w＿＿a sign ,saying ,＂I am a magic tree .S＿＿the magic words and you will see wonders.The boy t＿＿to guess the magic words .He tried Yesterday I saw a man （）in the street ,with a little boy ()on his shoulderAwalking seating Bwalk sat Cwalking seated D to walk seating选哪个 ,理由 It was Saturday that I saw the little poor boy 这句话哪里错了 I haven't ___idea how that terrible accident could have happened to such a little boy.A.little B.the least C.less D.the little 英语翻译Let’s show our love when we can and when people need us.That is something I learnt some months ago.I saw a little boy daily near the Hanuman Temple,always in a white T-shirt and brown pants.He sat with a basket of fresh flowers.At six i I saw a boy ____(run)from the cinema then. i saw a saw saw a saw. Cindy saw a little boy ____________ (lie) u nder a big tree when he passed by. don't blame him,a(),he is a little boy l saw a little boy fall into the water.是用fall还是falling? when the little boy saw the dog ,he was a-----是首字母填空