I was looking at one of the quizes on this site, and I was wondering if someone could tell me when one can omit relative pronouns from a sentence, please.
(I think you should write: “…one of the quizzes on this site…”.)
In identifying relative clauses, we often leave out object pronouns, especially in an informal style. In non-identifying clauses this is not possible
1. The woman (who) I wanted to see was away on a holiday
2. Have Tim read the book (which) I gave him yesterday?
3. She went to work with my brother, whom she later married
not She went to work with my brother, she later married
4. The man who lives next door is a doctor
not The man lives next door is a doctor
( of course I'm not a teacher)