How to decide whether to use 'that' or 'which'?
12889
When to use “that” and when to use “which”, especially in relative clauses
96404
"To which", "by which", "on which" etc
21796
Why is "that"/"which" omitted in this sentence?
86986
Using What and Which
98007
Can I use "that" instead of "who"?
11930
How do I choose between ‘who’ or ‘whom’ when the subject pronoun is unclear?
74
Is 'that is' optional?
79179
“situation where” vs. “situation in which”
87638
Which is better: ... or ...
10492
Difference between 'which' and 'that' in restrictive (defining) relative clauses
136471
When can we interchange “who/which" and "that”?
25348
Use "does" in front of another verb in a question?
66988
"Which" or "what" or ... when referring to a main clause?
37073
"who" vs. "whom" and when to omit the relative pronoun
64670
About the dropped "that" as a conjunction before a clause
148848
Which is grammatically correct: "Let he who..." or "Let him who..."
112146
Should I use 'is' or 'are' with this complex subject?