"An historian" or "a historian"
26418
When should I use "a" versus "an" in front of a word beginning with the letter h?
21994
‘tell a story’ or ‘tell the story’ in a single sentence
125076
Which article to use: 'the' or 'a'
101509
Citation: refer to author or paper?
23873
"Firstly" or "first"?
13706
"named" vs "that is named"
124442
Provide information "on", "of" or "about" something?
146249
"king of" or "the king of"
29397
Does one use 'a' or 'an' before the word X-Ray?
43349
Politics: singular or plural?
25183
How to use "who" vs. "that"
114556
"in which people study" or "where people study on"
16321
"An hour" or "a hour"
46226
"A number of students" vs. "the number of students"
7168
Who vs. whom in complex sentences
54786
"Pupil" or "Student", what is the correct use?
41176
"A friend of my father" vs. "a friend of my father's" — which one is right? Why?