cover (someone's) shift

When you "cover (someone's) shift", it means that you work that shift instead of them.

I'm covering Penny's shift tonight, so I won't be home until late.

This is similar to covering for someone while they're out, but you usually "cover for (someone)" in an office job where people each have certain responsibilities. You "cover a shift" in a restaurant, retail, or other job that just needs people to work for certain hours.

This phrase appears in these lessons: