Exercise 1. Cho dạng đúng của động từ trong ngoặc. S + have/ has + been + V-ing 0. Katty has been watching (watch) her favorite film since I came. 1. They _________________ (sleep) for hours now because they didn’t get enough sleep last night. 2. Since he arrived, my family _________________ (have) dinner. 3. What are you now? I _________________ (wait) for you for so long. 4. My father _________________ (do) the gardening since I came home. Meanwhile, my brother _________________ (do) his homework. 5. Her mother _________________ (go) shopping since she went out with her friends. 6. I would like to eat something because I _________________ (not eat) for the whole day. 7. It _________________ (rain) for the whole morning, so I don’t want to go out.