Respuesta :

Hey,

The imperfect expresses an action that lasts in the past, or is often repeated. It is particularly used to develop descriptions in the past.

The conditional is used to express a hypothesis, an uncertainty, or to mitigate certain forms (to be polite for example).

The subjunctive generally expresses a fact simply considered as an idea and not in reality.

Answer:

the imperfect subjunctive is used in place of the present subjunctive in subordinate clauses requiring the subjunctive and introduced by a principal in the simple past, in the imperfect, in the more-than-perfect, in the previous past, in the compound past (if it does not have a purely aspectual value

Explanation: