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Student or Learner
"I was just about to ask you the same thing"
Is the word "about" in the sentence above an adverb or adjective?
I'm quite confuse because when I look in the dictionary it denotes that it is only an adverb and a preposition, but the position of the word in this sentence makes it look like an adjective.
My OALD considers 'about' in 'about to' to be an adjective, though the full OED has it as an adverb. Webster's Third has it as a preposition.