This document discusses simple and continuous tenses in English. It describes the basic forms of the simple present, past and future tenses. The simple present uses the base verb form or adds -s for third person singular. The simple past uses the base verb form or adds -ed, with many irregular verbs. The simple future uses the auxiliary verb "will" plus the base verb form. It also explains the present, past and future continuous tenses, which are used to describe ongoing or continuous actions in the present, past or future.