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Introduction The simple past (also called past simple, past indefinite or preterite) is a verb tense which is used to show that a completed actio...
Past Continuous Introduction The past continuous (also called past progressive) is a verb tense which is used to show that an ongoing p...
The Past Perfect Introduction The past perfect is a verb tense which is used to show that an action took place once or many times before...
Past Perfect Continuous Introduction The past perfect continuous (also called past perfect progressive) is a verb tense which is us...
Introduction Should have, could have, and would have are sometimes called “modals of lost opportunity” because they describe sit...