USED TO v. WOULD

USED TO v. WOULD
USED TO + infinitive = WOULD + bare infinitive (solía)	Sólo se usan en PASADO, pero would no se usa con verbos de estado.
EXAMPLE	I used to smoke / I didn't use to smoke / Did I use to smoke? = I would smoke.
EXAMPLE (stative verb)	I used to have a car (to have = stative verb) / I would have a car