Which of the following sentences uses a relative pronoun correctly?

The book, which is on the bestseller list, is written by my favorite author.

The book, what is on the bestseller list, is written by my favorite author.

The book, which is on the bestseller list, is written by my favorite author.

The book which is on the bestseller list is written by my favorite author.

The book, that is on the bestseller list, is written by my favorite author.

Relative Pronouns - English Grammar Rules & Examples

IELTS, PTE, TOEFL, OET, Duolingo and your visa & admission interview - all coached by the same AI feedback engine.