One had taken it upon oneself to check the safety protocols before anyone else arrived.

It's unwise to take upon oneself more than one can handle.

Taking upon oneself more than he could handle, Mark soon became overwhelmed.

When the committee couldn't reach a decision, one member took upon oneself the duty of writing the report.

One takes upon oneself the responsibility to speak up when a colleague is being treated unfairly.

When urgent problems arise, one takes it upon oneself to find a solution.

Every Saturday, the bustling farmers' market in Kingston upon Thames draws locals and tourists alike.

On Whit Monday the children in the village used to gather for a raucous game of stack-upon-the-kill, tumbling into a laughing dogpile on the green.

When the manager whispered 'two upon ten' into the walkie-talkie, the sales clerk immediately shadowed the suspicious customer.

When the plan failed, we fell back upon our original strategy to keep the project on track.