"Who" usage in interrogative form
89834
"I who has" vs "I who have."
66988
"Which" or "what" or ... when referring to a main clause?
12889
When to use “that” and when to use “which”, especially in relative clauses
134809
fused relatives versus interrogatives
131090
On the singular vs plural aspects of "who"
157454
Questionee? Inquiree? Interrogatee?
105272
Indian English, use of who
3362
What’s the rule for using “who” and “whom” correctly?
156993
"That is the lady (which / that / who / whom) I told you about." Which is correct?
136471
When can we interchange “who/which" and "that”?
98007
Can I use "that" instead of "who"?
84256
Should I use "who" or "which" when referring to a specific animal species?
98815
The use of nominative "whom" (as in “persons whom it is foreseeable are likely to...”)
11930
How do I choose between ‘who’ or ‘whom’ when the subject pronoun is unclear?
12800
'declarative' questions and 'interrogative' questions (When to use which?)
70992
"What's" in indirect questions
38746
Can the relative pronoun "whose" be used for animals, things and countries?