To drop the preposition to or not?
6136
What is the correct way to use infinitive after the verb "help": with or without "to"?
146277
Stay tuned on or to? Which one is correct?
121410
"x not in y" or "not x in y"
25227
To underscore or to not to underscore, that is the question
38234
Is ending a sentence with a preposition acceptable?
65074
difference between not to verb , to not + verb
22698
Wondering if the use of "either ...nor " is correct
126116
Use of "the" before the first part of Of-phrases
141279
Is there a difference between  and ?
16912
'to' versus 'in order to'
144319
Is "to" really part of the infinitive?
68680
Repeating (or not) "to" in a sentence involving infinitives set in parallel
76280
Redundant prepositions?
64670
About the dropped "that" as a conjunction before a clause
131188
When should you use "to" following a "why"?
67100
Preposition before noun phrases
80136
How do I choose between "as to", "on", "of", and "about"?