the action occurred; by itself the sentence We would go there does not express habituality, while We used to go there does even though it does not specify when. As with used to, would also has other uses in English that do not indicate habituality: in In January 1986 I knew I would graduate in four months, it indicates the future viewed from a past perspective; in I would go if I felt better, it indicates the conditional mood.

English can also indicate habituality