"which" vs "of which"

Question

"which" vs "of which"

Both 'which' and 'of which' are correct, but they are used in different contexts. 'Which' is used to introduce a non-restrictive relative clause, while 'of which' is used to introduce a restrictive relative clause. The choice between them depends on the type of information being provided in the sentence.

Last Updated: March 30, 2024

Use 'which' to introduce non-restrictive relative clauses that provide additional information about a noun without changing the essential meaning of the sentence.

Examples:

She bought a new car, which was very expensive.
The book, which I borrowed from the library, was fascinating.

Alternatives:

that
who
whom
whose
where

Use 'of which' to introduce restrictive relative clauses that are necessary to understand the meaning of the sentence.

Examples:

The company, of which he is the CEO, is expanding globally.
I visited several countries, the names of which I can't remember.

Alternatives:

whose
that belong to
belonging to which
that

Answer 1

which

The word 'which' is correct and commonly used in English to introduce non-restrictive relative clauses.

Answer 2

of which

The phrase 'of which' is correct and used to introduce restrictive relative clauses that provide essential information about a noun.

"which" vs "of which"

which

of which

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