I am a teacher and I am having a class right now. I have just forgotten what I taught in the last class . So I ask the kids:

Where did I leave off in the last class?

One of them said?

You left off on page 50 (of the book I'm teaching).

Is this sentence grammatically correct?

I would be glad if you answered my question. Thank you.

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  • 3
    Possible duplicate of "This is Figure 7 on page 777" or "This is Figure 7 on the page 777"? Why not "the"? – user140086 Oct 24 '15 at 9:56
  • You can be proud of your pupil. His answer is correct. – V.V. Oct 24 '15 at 10:24
  • Yes, the sequence of off and then on is perfectly normal and correct. – Araucaria Oct 24 '15 at 11:38
  • I'm puzzled as to what caused you to doubt that it was grammatical. – Colin Fine Oct 24 '15 at 11:46
  • I am a follower of Rene Descartes. He said : Doubt paves the way for reaching certainty. For this reason, I asked this question. Moreover, I'm not a native speaker and I should consult the members of this great site before saying a sentence. Thank you all for your help. – keramus Oct 24 '15 at 11:51

You left off on page 50 (of the book I'm teaching).

This sentence is grammatically correct in every way.

  1. To leave off is a phrasal verb meaning "come to an end, stop or cease" (Princeton WordNet)

  2. The correct preposition "on" is used:

ON (meaning #4): used to say where something is written or shown:

There’s a diagram on page 25.


  1. There's no definite article before page as it should be omitted in this case:

There is no article before a noun followed by a categorizing letter or number:

The students have just read section C.

The Chicago train is about to depart from track 5.

Her flight leaves from gate 32.

He fell asleep on page 816 of "War and Peace".

She is staying in room 689.


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