You will then see three doors, which can be easily opened, for the keys are in all the locks. On entering the first of the chambers, to which these doors lead, you will see a large chest, standing in the middle of the floor.

"On entering"? What does that mean?
"As soon as I entered the first of chambers"?

1 Answer 1


"On X", where X is a gerund/progressive participle (-ing form) is, here, an adverbial of time, meaning that it indicates when something happened/happens. It indicates that it happens at the point of doing whatever is indicated by X.

That is to say, in the example it means that you will see a large chest as you enter the chamber. Not immediately after entering, but in the process of entering.

  • 2
    To make it easier to understand for an English language learner, you could say: it is basically a more formal way of saying "When you enter the first of the chambers ..."
    – fred2
    Commented Feb 13, 2019 at 4:13
  • 1
    @fred2: I added a little more in an attempt to clarify.
    – SamBC
    Commented Feb 13, 2019 at 18:58

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