He was only a yard off me – what part of speech is off?
My answer: perposition
The after-effects of the drug are bad. - What part of speech is after?
My answer: noun (A)fter-effect is a compound noun; "after" pre-modifies "effects" -- adjective-like in function.
Sit down and rest for a while. - What part of speech is while?
My answer: perposition And where is the prepositional complement, IYO? No, it is a noun preceded by a determiner, which also suggests that it is not a preposition but a noun.
After the storm comes the calm. What part of speech is “after”?
My answer: noun Preposition.
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