Keep track of means follow something and stay up to date with it: keep track of expenses, deliveries, who owes whom. It's not checking once, it's knowing all the time. The opposite is lose track of: I lost track of time means I didn't notice how late it got.
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keep track of + noun; keep track of what/how much; lose track of
- A shared calendar helps us keep track of room bookings.
- I use a notebook to keep track of how much I spend on transport.
- With three deliveries due today, it is difficult to keep track of them all.
What changed
First versionThis spreadsheet helps me keep track my expenses.
RevisionThis spreadsheet helps me keep track of my expenses.
Verbs like track or follow take an object directly, so of easily gets lost. But track here is a noun, and of links it to what you're following: keep track of my expenses.
Keep in mind means remember one important thing. Keep track of means follow something that changes or adds up: keep track of deadlines. Lose track of means lose count: I've lost track of how many cups of coffee I've had today.
Your turn
This app helps us keep track ___ borrowed equipment.
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of — In keep track of, the thing you follow is joined with of. At doesn't work here.
Describe how you keep track of your spending, appointments or things you've lent. Use keep track of.
I keep track of borrowed books in a small notebook so I know who has each one.
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