keep on doing sth和keep doing sth的區(qū)別是強(qiáng)調(diào)狀態(tài)的不同。keep on doing sth強(qiáng)調(diào)動(dòng)作的反復(fù)，意味著在一段時(shí)間內(nèi)，動(dòng)作是間斷性發(fā)生的。keep doing sth強(qiáng)調(diào)狀態(tài)的繼續(xù)，常與表示延續(xù)性動(dòng)作的動(dòng)詞和靜止?fàn)顟B(tài)的動(dòng)詞連用，強(qiáng)調(diào)動(dòng)作的不間斷性。

keep on doing sth和keep doing sth的區(qū)別

1、keep doing: 表示一直做，無(wú)停頓，或停頓很短的時(shí)間。這個(gè)詞組常與表示延續(xù)性動(dòng)詞或靜態(tài)的動(dòng)詞連用。

例句1：He kept watching TV for two hours.

他一直看了兩個(gè)小時(shí)的電視。

例句2：She kept sleeping the whole day.

她整天都在睡覺。

2、keep on doing: 表示經(jīng)過一段間歇后，繼續(xù)做同一件事情。其后既可以接非延續(xù)性動(dòng)詞，表示反復(fù)，也可以接延續(xù)性動(dòng)詞。這個(gè)詞組有不顧困難、警告、反對(duì)而堅(jiān)持做某事的含義。

例句3：We kept on cleaning the street in the snow.

我們堅(jiān)持在雪中清理街道。

例句4：We kept on talking until the light was off.

我們一直聊到燈熄滅了。

keep on doing sth和keep doing sth例句

1、There are some things we just have to keep on doing.

總有一些事情，我們不得不持續(xù)地去做。

2、We must keep on doing so.

我們今后還要這樣做。

3、Keep on doing what you are doing.

繼續(xù)做你現(xiàn)在正在做的事情。

4、I can keep on doing whatever I desire.

我可以繼續(xù)為所欲為了。

5、I've got to keep doing this kind of thing.

我必須繼續(xù)做這種事。

6、The important thing is to know what to do and then just keep doing it.

重要的是要知道該做什么，然后堅(jiān)持下去。