We didnt expect you ..... it bought buying buy to be bought

We didn\'t expect you buying it. — Мы не ожидали, что вы его купите.

We use Gerund in this sentence.

We expect you buying it.

Didn\'t we expect you buying it? (General question).

Who didn\'t expect you buying it? (Special question).

What didn\'t we expect? (Special question).

Didn\'t we or didn\'t he expect you buying it? (Alternative question).

Didn\'t we expect you or him buying it? (Alternative question).

We didn\'t expect you buying it, did we? (Disjunctive question).

We expect you buying it, didn’t we? (Disjunctive question).