2
votes
1answer
150 views

use of commas with conjunction reduction

I wimped out in answering this question, dropping the commas and going to parentheses in this sentence, because I was not sure of the placement/correctness of commas in this construction. Now I'd like ...
3
votes
2answers
232 views

Singular or plural usage for ellipsis in direct object

Suppose I have the following sentences: There should be an X and a Y chromosome. There should be an X and a Y chromosomes. Is the second grammatically correct? If the last word had to be plural for ...
2
votes
4answers
390 views

When phrases with the same words are combined by “and”/“or”

How are phrases with the same words joined by the conjunctions "and" and "or" to avoid repeating the same ones? If I intend to say sentence 1 below, which of sentences 2 to 5 has/have the same ...