What's the best preposition to use after the word "possibility"

Question

What's the best preposition to use in this sentence:

Is there any possibility of you ensure my place?

Is there any possibility to you ensure my place?

Is there any possibility of you ensure my place?

Can I use the prepositions of/to/you after the word possibility in other cases?

tks in advance.

"Any possibility for you to ensure..." Other way to use "possibility": "any possibility of having my place ensured by you..." or "any possibility of my place being ensure by you..." or even "any possibility of you ensuring my place..." — MorganFR, Commented Oct 27, 2016 at 12:06
Third one is "ensured by you" not "ensure by you", among other possibilities. — MorganFR, Commented Oct 27, 2016 at 12:12

Robusto · Accepted Answer · 2016-10-27 13:16:53Z

Use of with "possibility" this way:

Is there any possibility of you ensuring my place?

Note that you do not use the infinitive in this construction.

Note also that "to" is never used with "possibility," and "you" is never a preposition. I don't know where you got that notion.

You can use for, however, in a slightly different way:

Is it possible for you to ensure my place?

Observe that I changed possibility to possible for that to work well.

Full disclosure: It is possible to use to if you use it with possible, as in the sentence you are reading right now.

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