second conditional

Noun

 * 1)  A structure used to talk about improbable or impossible events in the present or future, containing an "if" clause (with a verb in the simple past) and a main clause (with would + an infinite verb).
 * "If I had a billion dollars, I would buy a medieval castle" involves a second conditional.

Coordinate terms

 * zero conditional
 * first conditional
 * third conditional
 * mixed conditional