GRAMMAR: SIMPLE PAST & PAST PROGRESSIVE TENSE
I’ts Time to Learn Grammar Simple Past & Past Progressive Tense           I.             SIMPLE PAST TENSE   1.       Simple past tense in regular verbs is formed by adding ed  to the infinitive;   Infinitive: to work                 Simple past: worked   Verb ending in e  add  d  only   Infinitive: to love                   Simple past: loved   2.       The negative of regular and irregular verb is formed with did not (didn’t)  and the infinitive:   Examples:          a)      I didn’t work.   b)      You did not work.   3.       The interrogative of regular and irregular verb is formed with did + subject...