English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
USING PREPOSITIONS WITH LOCATIONS AND PLACES
I sighted him ~in~ the party yesterday (nonstandard).
I sighted him *at* the party yesterday (standard).
The preposition “at” is used in regard to events such as party, concert, conference, wedding, etc.
My friend is already ~in~ the airport (nonstandard).
My friend is already *at* the airport (standard).
The preposition “at” is used with specific locations such as airport, bus stop and home.
I was ~in~ Collins High School yesterday for a talk (nonstandard).
I was *at* Collins High School yesterday for a talk (standard).
The preposition “at” is used with the proper names of organisations or buildings.
GAB
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