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The perfect progressive tenses are used to indicate

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Unformatted text preview: __________________ 12. They can watch television. ___________________________ 13. He can order a salad. ___________________________ 61 Shared by www.itdunya.com ITDunya.com Great Learning Urdu Web Forum Come and join us for more...... Contact us: afridi@itdunya.com www.itdunya.com PART 1: GRAMMAR TOPICS AND EXERCISES Chapter 18 THE PERFECT PROGRESSIVE TENSES Previously (Chapters 2, 13, and 14), you learned about the perfect and progressive tenses. The perfect progressive tenses are used to indicate duration in the past. The three forms are: USAGE OF THE PERFECT PROGRESSIVE TENSES Here are examples of each: PRESENT PERFECT PROGRESSIVE: I have been reading for one hour. PAST PERFECT PROGRESSIVE: We had been traveling for three days when we ran out of money. FUTURE PERFECT PROGRESSIVE: He will have been working there for a year by the time you arrive. FORMATION OF THE PERFECT PROGRESSIVE TENSES 1. PRESENT PERFECT PROGRESSIVE This tense indicates duration of an activity beginning in the past and continuing into the present. It is often used with time words like for, since,...
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