"In today's Maths class, one moment he says two and three is five. But the next moment he says one and four is five." Mike answers.

I think the sentence mentioned above is not that authentic. I wonder whether the native speaker will use it like this.

Is "one moment" omitted from "for one moment"? If not, can a noun phrase function as an adverb?


It is a commonly used phrase for native speakers. It is not a shortened version of "for one moment." It can be considered a shortened version of "at one moment." "One moment" is equivalent to "one time" or "once." It has no duration. "For one moment" has the duration of a moment, which is not a specific duration, and certainly is not long, but it is a duration.

  • Oops, it looks like I accidentally downvoted this instead of upvoting. I put in a nonce-edit so I could fix that! – user230 Sep 16 '13 at 19:34

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