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)

bonvoli

(used to express a polite request)

ke li tuj revenos.

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

mi petas?

(used to express a polite request)

ĉu la buso malfruos ĉi tiun fojon.

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