Would

In the winters

(indicating an action in the past that happened repeatedly or commonly)

We sat on the bench

(indicating a possible (but not definite) future action or state)

Выключите

(used to express a polite request)

если бы ты не открыл окно!

(indicating an action or state that is conditional on another)

опоздает ли автобус.

(indicating a possible (but not definite) future action or state)

пожалуйста

(used to express a polite request)

телевизор.

(used to express a polite request)

что скоро вернется.

(indicating an action in the past that was planned or intended)