Grammar fix
keep an eye on
watch carefully
to watch someone or something closely, usually to make sure they are safe or nothing goes wrong.
collocationB1common
Hear it in context
Notice where the phrase sounds natural.
- Can you keep an eye on my bag while I go to the restroom?daily life
- During my part-time job at the library, I had to keep an eye on the reading room to make sure everyone followed the rules.IELTS speaking
Fix the pattern
Pattern: keep an eye on + noun/pronoun
WrongCan you keep an eye to the bags?
RightCan you keep an eye on the bags?
It's 'keep an eye ON something', not 'to'.
Patternkeep an eye on + noun/pronoun
Use it right
Choose the version that sounds natural in speech.
'Keep an eye on' is the everyday phrase; 'maintain visual supervision' is robotic.
Build natural chunks
Words that usually travel with it.
keep an eye ononthe kidsthingsyour bag
Don't confuse it
Different from 'look at,' which just means to see something. 'Keep an eye on' means to watch carefully, often for a reason.