Also it is possible to indicate the moment in which the action develops to indicate the time with major precision: They saw the movie last night. They saw the movie last night. We went to London yesterday. We were to London yesterday. To be able to form a prayer in last time we must distinguish two types: REGULAR VERBS and IRREGULAR VERBS. In the first one of the cases they form his Simple Past adding the completion ED to the infinitive, whereas the irregular ones receive this name for he is not still a certain boss and in this case they must be studied individually.