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74
votes
9answers
4k views

When to use “that” and when to use “which”?

When is it appropriate to use that as opposed to which?
2
votes
1answer
820 views

Can “who” as a relative pronoun sometimes be omitted?

Somebody once observed two things: people often omit the relative pronoun "who" or "whom" to avoid having to worry about which is grammatically correct however, in all cases where it can be omitted, ...
1
vote
1answer
112 views

I think/know vs. I think/know that [duplicate]

I wonder when verbs like think or know are followed by that; I encountered both forms, is there a difference? For example, I know that he did it. // I know he did it. Are the two sentences ...
3
votes
1answer
501 views

Omissions of “that” in a relative clause [duplicate]

I am not clear on when the word "that" can be omitted in a relative clause. I only know that when the modified noun is the object in the clause, the antecedent "that" can be omitted. Are there any ...
1
vote
1answer
297 views

Singular or plural verb after “what”

Which sentence is more grammatically correct? He is being tried on what look like trumped-up charges. He is being tried on what looks like trumped-up charges.
4
votes
3answers
251 views

What allows the omission of subject relative pronouns?

“There’s some men wouldn’t look at a girl with a baby.” (Ken Follett, Fall of Giants) There is a young student comes here some evenings. (James Joyce, Dubliners) “That’s a smell could ...
0
votes
1answer
694 views

Use of the phrase “it seems” vs. “it seems that” [duplicate]

On another stackexchange site, I used the following phrasing: I want to do X. It seems I can only do so when Y. Someone edited the second sentence: It seems that I can only do so when Y. ...
0
votes
2answers
123 views

Meaning of “that” in “holomorphic function in the sector S that is continuous”

I have encountered a confusing sentence in a math textbook: Suppose F is a holomorphic function in the sector S that is continuous on the closure of S. What does that mean in the above ...