look after him 为什么不用“动代副”的结构?

let him look after this cat.为什么用him? Let is look after him.的意思 so we went to have a look at him.句子成分分析.为什么句子里的 look 不用变形.之前 he was left alone,with no one to look after him.为何不用 none Who looks after Rose 为什么这里要用looks而不用Who does look after Rose She look after David at home.请翻译成汉语,为什么after.为什么不用at,for,或in take good care of 为什么用good不用well look after well为什么用well不用go “He will look after my bird while I go away"为什么用while不用when look,the boy is chansing the dog 问一下 为什么必须用running after 而不用 look after的同义词 look after 的用法 look after的词性