Difference between that and which. Can that follow a comma?
12889
When to use “that” and when to use “which”, especially in relative clauses
41864
"Though" vs. "although"
31034
Comma before which
22309
What vs. Which - correct usage in questions
21796
Why is "that"/"which" omitted in this sentence?
29574
When can the relative pronouns "who", "which", "that" etc. be safely omitted?
33549
"Which" vs. "what" — what's the difference and when should you use one or the other?
68602
A case of optional “that”: “check the” vs. “check that the”
71025
When to use ''[verb] that''
18480
Singular or plural verb after "what"
66172
What's the difference between  and ,  and ?
276
Difference between  and
4246
When to use "this" or "that"?
156544
Usage of *what* for *that* or *than* in BrE
126460
Should you use "who" or "that" when talking about multiple people doing something?
141279
Is there a difference between  and ?
61679
Verb agreement with "what"