English Grammar Exercise 1(Advance Grammar)

Each of the following sentences may contain an error in grammar, idiom or usage. If there is an error, it will appear in one of the underlined portions. Answers are given at the answer part. First try to answer by yourself, and then check it against the given answer. Answer explanation for each sentence is also given. If you go through this exercise, we can assure you that you will have a vast idea in English.

1. Rina was upset last night because she had to do too many homeworks. Answer
2. After Rana had returned to his house, he was reading a book. Answer
3. Kamal is thinking to go to the seminar on child-care next month. Answer
4. It has been a long time since we have talked to Rashed, isn’t it? Answer
5. The only students who were required to attend the workshop on ‘mass communication’ were Rana, Rina, Laila, and me. Answer
6. There’s a new supermarket in Elephant Road, isn’t it? Answer
7. The teacher tired to make the classes more enjoyable to the students so they would take a greater interest in the subject. Answer
8. Two of the students from the school has been chosen to participate in the national chess competition. Answer
9. The examination will test your ability to understand spoken English, to read non technical language and writing correctly. Answer
10. If cancer is suspected, the diagnosis need to be confirmed by blood tests. Answer
11. It has been known for the last two centuries that lightning was a form of electricity. Answer
12. Proper lighting is a necessary for good eyesight even though human night vision can be temporarily impared by extreme flashes of light. Answer
13. Intense clearing of jungles over decades in Chittagong Hill Tracts has destroyed the elephant’s habitat and threatened their survival. Answer
14. Enormous energy is required for the exchange of heat and moist between the atmosphere and the earth’s surface. Answer
15. Clouds hold water that evaporates from the land or the sea; later the water in clouds return to the land as rain. Answer
16. Medical experts are now suggesting that every healthy adult should receive counselling about exercise, diet and drug using. Answer
17. When the distance to any object is known, so the configuration of that object can be determined. Answer
18. Because fireworks are danger, many countries have introduced laws to prevent their sale. Answer
19. Throughout history, the mosquito is not only a nuisance but a killer carrying some of the most dangerous diseases known. Answer
20. Never before has so many people in Bangladesh been interested in cricket. Answer