Title 2022 Tenses and Voices -Worksheet.pdf ✅

S.Rajaram -2021 1 TENSES – MODEL EXERCISES Fill in the blanks with the appropriate forms of the verbs given in brackets. 1. Tele -education or tele- courses ____________ (beam) in the U.S.A. since the early 1950’s. 2. When a bucket ________ (contain) water is lifted it is heavier than when it is empty and its weight __________(increase) as more water__________(pour) in. 3. While the electrician ______________(repair) the faulty cable he felt the shock run up his arms. 4. Before the guarantee expired the equipment ______________________(begin) to give trouble. 5. Work on the motor way ______________________________ (recently hold up). 5. As a liquid evaporates a cooling effect ____________________________ (produce). 6. Since the 1930’s the use of coal _______________________ (decline) rapidly and natural gas _____________________(serve) as the main source of energy these days. 7. Three billion liters of waste __________________ (pump) into Delhi’s Yamuna River each day. 8. Rainwater __________________ (harvest) to increase the ground water level. 9. By the end of 2020, India ___________________________( become ) a super power. 10. A resourceful edition of Indian fauna ______________(publish) recently by Salim Ali. 11. The results of this experiment _________________(know)only after the parameters are studied. 12. In a short span of time internet_____________________ (gain) global acceptance. 13. Since 2005, the company __________________(outsource) its employees from abroad. 14. TATA’s Nano Car___________________________ (release) just now. 15. Of late, the levels of the greenhouse gases in the atmosphere _________ ( rise) substantially. 16. Last year a tsunami warning system_______________(introduce) in Andhra Pradesh. 17. The Supreme Court _________ already_______________ (issue) guidelines regarding the use of ground water. 18. By the end of this decade of this century, e-commerce __________________________ (jump) to a staggering $300 billion. 19. When we enter the next century, environmental concerns ___________________ (become) a matter of urgency. 20. With the mushrooming of newspapers and internet portals, the role of media players ___________ (widen) recently. 21. Internationally for the last eight years, the demand for iron ___________________ (grow) due to the increased industrial consumption. 22. We_____________(boil) a little water in a tin can until the can__________( fill) with steam. 23. If you_________(mix) NH4Cl with Ca (OH)2 and heat the mixture, NH3 _______(evolve). 24. Nature _______________(bestow) the world with precious sources of renewable energy. 25. When he entered the laboratory, the experiment _______________ (begin)