Worried about means feeling anxious because of someone or something. After about, use a noun or a verb with -ing: worried about the interview, worried about missing the bus. If the reason is a whole sentence, use that: I'm worried that we'll be late.
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be/get worried about + noun/-ing; be worried (that) + clause; worry about + noun
- Kate is worried about her job interview on Monday, so she's practising her answers.
- We were worried about missing the last bus and left the party early.
- Are you worried about the cost of living in London?
What changed
First versionI'm really worried for tomorrow's exam.
RevisionI'm really worried about tomorrow's exam.
It is tempting to use for here, but English introduces the cause of worry with about. Worried for is sometimes used about a person when you fear for their safety or health, but it does not fit an exam.
The verb worry about often describes a habit: My mum worries about everything. Be worried about describes how you feel now, with a specific reason: I'm worried about the test tomorrow. I'm worry, however, is not correct English.
Your turn
I'm worried ___ the weather will be too bad for our picnic on Sunday.
Show the answer
that — After the gap comes a whole sentence with its own subject and verb: the weather will be. Before such a sentence, use that. About would fit if only a noun followed: worried about the weather.
Write about what worries you before an important event. Name the event and what exactly could go wrong.
Before my flight to Seoul next week, I'm worried about losing my passport at the airport.
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