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Questions tagged [omissibility]

For questions about leaving out words or punctuation marks and how such omissions affect the meaning of clauses or sentences.

77
votes
7answers
94k views

Are there rules about using “that” to join two clauses?

He will understand that I was not joking. He will understand I was not joking. Which of the sentences is correct? Are there any specific rules about the use of "that" in the sentences I reported ...
5
votes
1answer
2k 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
5k 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 both ...
9
votes
4answers
2k views

Omitting “there” in a sentence

Can I omit there in the following question: How much juice is there in the bottle? When is it possible to omit there in a sentence? Any references to grammar sources are welcome and expected.
4
votes
1answer
1k 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 ...
2
votes
2answers
183 views

Can we omit a duplicated preposition? [duplicate]

Is on needed a second time in this sentence? There is a bad effect either on human health or environment. There is a bad effect either on human health or on environment.