we use to go to beach...' 'Used to + infinitive' is a great way to talk about past habits. In positive sentences you need to say used to with d. Negatives and questions don't have d.

In this episode of The Flatmates, the guide uses 'would' plus a base verb (infinitive without 'to') to talk about repeated actions and habits in the past. The use of 'would' means that these ...