Wasn't and weren't?
10040
When to use "If I was" vs. "If I were"?
94590
Difference between "asked" and "were to ask" in conditional sentences?
48496
Question regarding ‘ Either/Neither’
71704
Conjunctions in negation: "no/neither" and "and/or/nor"
151953
"No, I didn't see him" vs "Yes, I didn't see him"
63876
What's the negation of "I used to be"? Surely not "I didn't used to be"?
120628
"Was" or "were" for "half a dozen"
83378
"If I were" or "If I was"?
131510
"Was" and "were", which is correct in this context? Can a mood be established in a terminating clause?
47279
How to choose a proper contraction "it's not" versus "it isn't"?
51157
'Wouldn't wake up' vs. 'didn't wake up'
110544
Usage of "ain't"?
36646
“Everything is not…”
120497
"Would have been" or "Would be"
43336
Question sentences involving negation
105201
" could " vs. " could have "
113787
Usage of "would have been"