"...assumed known." VS. "...assumed to be known."
28189
When is "seems to be" used instead of "seems"?
92736
Comparing negatives: "she seems not to know" vs. "she doesn't seem to know"
122849
When do you use “learnt” and when “learned”?
28557
"As if he knows" vs "As if he knew"
102159
“Has been” vs. “was”
76630
"An (obvious) problem" or "a (obvious) problem"?
17850
"Assist someone do" vs. "assist someone to do (or "in/with" doing)"
74169
"Advice" vs. "an advice"
152893
inform about vs inform of
107136
"Object of" vs. "subject of" -- which one is correct? Does it depend on context?
51921
Differences between "in order to", "so that" and "so as to"?
29430
"He added" vs. "Did he add" (inversion after negative adverb)
34504
"could have" vs "could"
79314
Should I write "that being said" (vs. "that's been said" or "Having said that")?
97408
Interpreting having known
16256
"Advise" vs. "advice"
33321
Is "if you're not familiar with X, it is..." or "if you're not aware, X is..." correct English?