All vs All of us

When to use each in English, with meaning, register, and examples.

All

High-frequency chunkA1determiner

All of us

Top 5,000 (fairly common)
Most common: All
 AllAll of us
Pronunciation🇬🇧 /["/ɔːl/"]/🇺🇸 /["/ɔːl/"]/🇬🇧 //ɔːl əv ʌs//🇺🇸 //ɔl əv ʌs//
MeaningEverything or everyone, without exception.Everyone in this group
ExampleAll the students in the class passed the exam.All of us are excited for the trip next week.
RegisterNeutralNeutral
How commonHigh-frequency chunkTop 5,000 (fairly common)
CEFR levelA1-
Part of speechdeterminer
Collocationsall day, all the time, all over, all of ussupport all of us, help all of us, all of us together
Antonymsnone, part, some-
Common mistakes'All' used without a noun (e.g. saying 'I love all' instead of 'I love all of them')., Confused with 'all of' when it shouldn't be (e.g. 'All of the students came' is correct; 'All students came' is also correct in informal contexts).Using 'all of our' instead of 'all of us', Confusing with 'all of them'
Usage notesUse 'all' in both spoken and written English when referring to the entirety of a group. Avoid using 'all' when referring to a specific subset, as it implies inclusivity.Use 'all of us' when referring to a group including the speaker. Avoid in formal writing as it may seem too casual.

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All of us

Frequently asked questions: All vs All of us

What's the difference between All and All of us?

All: Everything or everyone, without exception. All of us: Everyone in this group

Which is more common: All and All of us?

All is the most common in everyday English.

Can you show an example of each?

All: All the students in the class passed the exam. All of us: All of us are excited for the trip next week.

Can I use All and All of us interchangeably?

Not always. All and All of us are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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