English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
PREPOSITIONS THAT YOU MUST USE
You should knock the door before coming in (nonstandard).
You should knock on the door before coming in (standard).
She has not replied my mail yet (nonstandard).
She has not replied to my mail yet (standard).
He will dispose all his property (nonstandard).
He will dispose of all his property (standard).
GAB
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