go on doing sth., go on to do sth., go on with sth. 这三个短语都可表示“继续做某事”，其中on均用作副词。事实上，它们的用法是有区别的：

go on doing sth. 表示的是一个动作不断地进行下去，这里的doing为动名词。例：

（1）When someone asked him to have a rest, he just went on working.

当有人要他休息一下时，他还是继续工作。

（2）Though it got dark, they went on walking.

虽然天黑了，但他们还继续走着。

go on to do sth. 表示的是结束了一个动作，接着开始另一个动作，这里的to do 为不定式形式。例：

（1）After he wrote a letter to his mother, he went on to do his homework.

他给母亲写完信后，接着做作业。

（2）They watered the flowers and went on to clean the classroom.

他们给花浇了水，接着打扫教室。

go on with sth.表示的是在做某件事中断了一段时间后，继续接着做这件没做完的事，这里的with为介词，后应接名词或代词。例：

After a while, I went on with the book.

过了一会，我又继续看这本书。

［练习］完成下面句子：

1. He quickly got up and _______（继续跑）

2. Let”s ________（继续开会吧）

3. She cooked supper and _______ （接着做衣服）.

Keys:

1. went on running

2. go on with our meeting

3. went on to make some clothes