"It has not been unchanged." Is that a valid sentence?
50983
Are "not uncommon" and similar phrases double negatives? Should their use be avoided?
106615
"When people do make changes" - which tense is this?
64902
How to properly say that a given day/date does not exist?
108399
Is this sentence correct? Usage of would have been and had
46142
Is 'thought it to be' grammatically correct?
17313
Using past tense when referencing a still-true fact
79314
Should I write "that being said" (vs. "that's been said" or "Having said that")?
97065
Is "what happened is" correct?
49025
Can the past simple or the present perfect fit in this example with yet
86768
Omitting 'that' in this sentence
17105
What does "be it" mean in this passage?
153687
What tense should I use to describe something in the past but probably is still true?
12340
Is "can not" unambiguous?
49354
Is 'had have + past participle' a correct grammatical form?
40771
Can I substitute this sentence with this?
10123
"It is built" or "it was built"
153477
Present Perfect Usage of "Think" for Recent Past