on doing sth的用法,on加doing

on doing sth的用法,on加doing

而且，我们都知道，doing有“正在做”的意思，所以，在to do/doing之间做选择时，不一定要按逻辑主语的思路来想，比如：I often watch him playing basketball。因为存在着不同的思路，所1. be busy (in) doing sth 忙于做某事Farmers were busy (in) getting in the crops. 农民在忙着收庄稼。He was busy (in) packing, for he was leaving tha

1、keep doing sth:强调状语的继续，常与表示延续动作的动词与静止状态的动词连用。2、keep on doing sth:表示动作反复，强调动作与动作之间有间隔，常与表示短on doing sth的用法在英语中，我们常用短语“on doing sth”来表示某个动作正在进行或已经完成。这个短语的结构为“on +动词-ing形式”，表示“在做某事时”。例如：- On arri

go on doing sth.表示“继续不停地做某事或间断后继续做原来没有做完的事”go on doing sth的用法例句the students went on talking and laughing all the wa1keep on doing sth的用法keep on doing sth表示动作的反复，强调动作与动作之间有间隔。例如：They kept on asking me the same question.他们反复问我同样的问题。该句中的keep o

?▽? 一、keep on doing sth的用法及含义keep on doing sth,表示动作的反复，强调动作与动作之间有间隔。例句：There are some things we just have to keep on doi一.就.如：On hearing the news,he burst into tears.=as soon as he heard the news 其实后面跟名词也可以，如on his arrival,he started to work.=as soon as he