Hello, fellas. After learning about how to use expressions of quantity in relative clauses last week, today we are still going to have a session on another form of relative clauses. It is the use of noun + of which.
(More on expressions of quantity in relative clauses: https://englishtips4u.com/2018/08/30/grammartrivia-expressions-of-quantity-in-relative-clauses/)
According to Betty Schrampfer Azar, the pattern has the same meaning of whose. In other words, both of them show possession. Noun + of which is used in a relative clause modifying a thing and more common in formal written English. It is preceded by a comma.
(More on whose: https://englishtips4u.com/2014/06/01/engclass-how-to-use-who-whom-and-whose/)
Example:
1) Leo Tolstoy wrote a novel. The title of the novel is Anna Karenina.
Leo Tolstoy wrote a novel, the title of which is Anna Karenina.
2) The student bought a book. The price of the book was affordable.
The student bought a book, the price of which was affordable.
3) They like Indonesian food. The taste of the food is spicy.
They like Indonesian food, the taste of which is spicy.
Source:
Betty Schrampfer Azar, Understanding and Using English Grammar: Third Edition
Compiled and written by @fathrahman for @EnglishTips4U on Wednesday, September 5, 2018