Tham khảo tài liệu 'writting toefl detail 9', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 82 TOEFL EXAM ESSENTIALS Learn how to create the comparative and superlative forms of modifiers. The five basic verb forms are infinitive present tense present participle past tense and past participle. Study and memorize the forms of the most common irregular verbs. Review the common errors involving verb tense and problem verbs. Review and memorize common prepositional idioms. Practice Answers 1. I went for a walk downtown and mailed your letter. 2. If it is hot tomorrow let s go to the beach. 3. The 20-foot-tall long-necked giraffe is the tallest living animal on Earth. 4. The log cabin quilt was probably designed as a way to give a second life to unwieldy but warm fabrics salvaged from suits and coats. 5. agree 6. sleep 7. was 8. her 9. his he 10. your you re 11. which 12. It s your 13. strange 14. comfortable 15. politely STRUCTURE 83 16. less 17. well 18. skeptically 19. good 20. best 21. was 22. rings wait 23. Has 24. were 25. is Quiz Answers 1. b. 2. a. 3. d. 4. b. 5. b. 6. c. 7. b. 8. c. 9. a. 10. d. 11. d. 12. b. 13. c. 14. d. 15. a. 16. .