English Grammar and Exercises 3. [antikvár]

i. The Present Perfect Tense (i) We learnt in Book Two (Lesson 17) that verbs have 3 parts: thc stem, the Past Tense, and the Past Participle. Regular verbs make the Past Tense and the Past Participle by adding -ed or -d to the stem. Irregular verbs make the Past Tense and the Past Participle in a number of different ways. You must learn the 3 parts of irregular verbs; there is a üst of them at the back of this book, on pages 105-107. Look at the pictures and read the sentences: 1. Ahmad is writing his name on the blackboard. 2. Ahmad has written his name on the blackboard. has written is a Present Perfect Tense. In the second picture, Ahmad has finished writing and is standing by the blackboard. The sentence numbered 2 means: Ahmad WROTE (Past) his name. As a result of Ahmad's past action, his name IS NOW (Present)