I have work to do.

我还有工作要做。

youdao

I have a lot of work to do. Besides, I don't really like parties.

我想我星期六不会来。我有好多事要做。再说，我不太喜欢社交聚会。

《牛津词典》

I have got piles of work to do.

我有大量工作要做。

《牛津词典》

I work at home so I just hoped that my computer would work right and not have a bad hair day also.

VOA: special.2009.05.03

Oh, I have worked on a couple of projects where the other person has not done much work.

哦，我参加过几个项目中而组员不怎么干活。

怎么协调意见冲突 - SpeakingMax英语口语达人

I mean, they have no idea how hard we work, and look at this gigantic split infinitive, to dramatically help.

他们不知道我们有多么努力地工作，注意到这之间的巨大鸿沟，会有很大的帮助。

麻省理工公开课 - 固态化学导论课程节选

And that's what I have work for every day here in Washington, to allow other people to be just - have the same opportunities I've had.

NPR: Reid Prepares for Role as Majority Leader

It may take a long time to build big plays, but I have the work ethic and tenacity to prevail, though I am also quick to delegate when I have the right team.

FORBES: Changing Hats: Lawyers Turn Entrepreneurs

So, the fact that I have to work bodes unwell for me in the marrage department, huh?

FORBES: Magazine Article