keep doing sth.keep on doing sth.go on doing sth.continue doing sth.的区别.最好有例句并且详细解说.好的话有加分.

keep doing sth.keep on doing sth.go on doing sth.continue doing sth.的区别.
最好有例句并且详细解说.好的话有加分.

keep doing sth　继续不断地
He keep doing eye-protecting exercise everyday.
他坚持每天做眼保健操.
keep on doing sth　继续作某事,坚持做某事
Keep on working until you accomplish your aim.
要继续工作,直到你达到目的为止.
go on doing sth.　继续做某事；不停地做某事
Tony had to push himself to go on doing such dull work.
汤尼不得不驱策自己继续做这种单调无趣的事.
continue doing sth 继续做某事（同一件事）
We can't continue doing business along the old lines.
我们不能再按老办法来做买卖了.