This edition of Fundamentals of English Grammar encourages interactivity but leaves it open for the users to decide what degree of interactivity best suits their needs. | 4. I hit my thumb while I use the hammer. Ouch That hurt . 5. As soon as we hear the news of the approaching hurricane we begin our preparations for the storm. 6. It was a long walk home. Mr. Chu walk until he gel tired. Then he stop and rest until he be strong enough to continue. 7. While I lie in bed last night I hear a strange noise. When I hear this strange noise I turn on the light. I hold my breath and listen carefully. A mouse chew on something under the floor. 8. I work at a computer all day long. Yesterday while I look at my computer screen I start to feel a little dizzy so I take a break. While I take a short break outdoors and enjoy the warmth of the sun on my face an elderly gentleman come up to me and ask me for directions to the public library. After I tell him how to get there he thank me and go on his way. I stay outside until a big cloud come and cover the sun and then I reluctantly go back inside to work. As soon as I return to my desk I notice that my computer make a funny noise. It hum loudly and my screen was frozen. I think for a moment then I shut my computer off get up from my desk and leave . I spend the rest of the day in the sunshine. Past Time 51 2-11 EXPRESSING PAST HABIT USED TO a I used to live with my parents. Now I Jive in my own apartment. b Ann used to be afraid of dogs but now she likes dogs. c Al used to smoke but he doesn t anymore. Used to expresses a past situation or habit that no longer exists at present. FORM used to the simple form of a verb d Did you used to live in Paris or Did you use to live in Paris QUESTION FORM did subject used to OR did subject use to e I didn t used to drink coffee at breakfast but now I always have coffee in the morning. OR I didn t use to drink coffee. f I never used to drink coffee at breakfast but now I always have coffee in the morning. negative form didn t used to OR didn t use to Didn t use d to occurs infrequently. More commonly people use never to express a negative idea with used to as