shouldis used every day in English. We use it to refer to the present, past, and future. In this lesson, I focus on how
shouldis used most often, to talk about actions in the past that didn’t happen. I show you how to use expressions like “I should have called” or “I should have gone” easily and confidently. You will learn how to combine
shouldwith the present perfect tense and regular or irregular verbs, to upgrade your English right away.