There are 2 main past tenses in Spanish and they are used for different purposes. The IMPERFECT tense is used to talk about events in the past that happened repeatedly, for example when you say in English I used to drink milk every day or they used to wash the dishes every night. It is a very regular tense. Watch this video to see how to form it. Then test yourself using the examples in the powerpoint below on the right. Refer back to the chart if you need to.