Unit 8 - Grammar Exercises Exercise 1 Use the words in parentheses to complete the sentences. Use the past perfect tense. Add “not” where necessary.#1. Ikram ______ (be) a rock climber before the age of twelve. #2. Dastan ______ (climb) free solo until he moved to California. #3. By 1989, he ______ (become) bored with climbing. #4. In 1989, Damir ______ (appear) in the Masters of Stone videos yet. #5. Anvar hunter didn’t start his book about Dastan until he ______ (meet) him. #6. When Dastan died, Anvar hunter ______ (finish) the book yet. #7. Before his death, Damir ______ (already / travel) around the world. #8. My father ______ (complete) a jump of almost 1000 feet not long before his fatal jump. #9. Alima was excited because she ______ (go) mountain biking alone before. #10. We didn’t recognize her because she _______ (change) her hairstyle and dressing style. next Results