English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
EXPUNGE THE PREPOSITIONS
I want ~a dozen of eggs~ (nonstandard).
I want a dozen eggs (standard). You have a dozen things; not a dozen of things.
I shall teach your class ~twice in a week~ (nonstandard).
I shall teach your class twice a week (standard).
The class will start ~any moment from now~ (nonstandard).
The class will start any moment now (standard).
GAB
I appreciate your effort to make me learn more about English language.
This is very educative and impartful