Meaning & use
both
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Meanings
determinerplural
Used before a plural noun or alone to mean the two people or things being talked about.
Grammar: Goes before plural nouns, often before the: both parents, both of the boys.
Patterns
- both of someone
- both the something
Both my brothers play the guitar.
I love both of these jackets.
Both teams played well.
pronounplural
The two people or things already mentioned, taken together.
Grammar: Takes a plural verb: both are ready.
Patterns
- both of us
- both of them
Both are good choices.
I invited Sam and Lee, and both came.
Both of us were tired.
conjunctionfixed phrase
Used with and to stress that two things are both true or both included.
Grammar: Pattern both An and B, with matching grammar: both fast and cheap.
Patterns
- both X and Y
The book is both funny and sad.
She speaks both French and Spanish.
He is both a doctor and a poet.
Common combinations
- both of us
- Both of us wanted the job.
- both sides
- Both sides agreed to talk.
- both ... and
- Both the food and the service were excellent.
- both at once
- You cannot be in both places at once.
- both ways
- The street is open both ways.
Synonyms and how they differ
- the two
- The two is plainer and used before a number-specific group: the two of us.
- each
- Each looks at the two one by one; both treats them together.
- either
- Either means one or the other, not the two together.
Opposites
Commonly confused: both or either?
both vs either
Either means one of two; both means the two together. Either of them is singular, both of them plural.
Practice
Which sentence is correct?
Choose one answer.
Both needs a plural verb and a plural noun. Is, answer (singular) are errors.
Make it your own
Write a sentence using “both”, then check it and compare it with the examples above.