SIMPLE TENSES
A. Simple present = base form: I work. OR base form + -s: He work s . She work s . It work s . OR base form + -es : I watch / she watch es ; I study / he stud ies 1. A general truth. The sky is blue. 2. A typical activity. I always brush after I eat. Bob watches TV every night. Sara works 5 days a week. 3. A statement of something existing at the time of speaking. I hear the train coming. I smell smoke. 4. A scheduled event or activity. My plane leaves at 8:30 tomorrow. B. Simple past = base form + -ed for regular verbs : I worked yesterday. The simple past for irregular verbs varies : He ate lunch at noon . (irregular verb) 1. An activity begun and completed at a particular time in the past. I went to work yesterday morning. 2. Commonly used with “after” and “before” clauses. After Bob ate dinner, he drove to CEC. Th