전화영어 NO1 MY전화영어 에 오신걸 환영합니다.

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초급 1단계(L.B)..

초급 2단계(M.B)..

초급 3단계(H.B)..

중급 1단계(P.I)..

중급 2단계(L.I)..

중급 3단계(M.I)..

중급 4단계(H.I)..

중급 5단계(A.I)..

고급 1단계(L.A)..

고급 2단계(M.A)..

고급 3단계(H.A)..

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LESSON 61--MUST

2006/07/26

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Lesson61: MUST


	Must + Base form of the verb (must be/must know/must have, etc.) We use “must” when we believe something is true. We use “must not” when we believe that something is not true. Teddy takes the bus everywhere. He must not have a car. I knocked on the door several times but no one answered. She must not be at home. · “Must” also has another meaning: You must do something = it is necessary to do it You must be careful with that sword. It’s very sharp. For the past (yesterday, last week, etc.), we use “had to” (not must) We had to clean the house yesterday because my mother had some friends over for dinner. You must not do something = it is necessary NOT to do it; it’s the wrong thing to do You must not eat inside the church.



	1. You worked 12 hours today. You must be tired. 2. My sister has worked at your company for years. You must know her. 3. Jim hasn’t been calling lately. He must be busy. 4. Julia eats ice cream everyday. It must be her favorite snack. 5. Patricia looks really happy. She must be in-love!


	Complete the sentences. Use must + one of these: For you good hungry in the kitchen 1. It’s evening and you haven’t eaten anything all day. You ________________. 2. It’s the most popular restaurant in town, so the food ___________________. 3. My keys aren’t in the living room. They ___________________. 4. The phone’s ringing and I know it’s not for me. It ___________________. Write must, must not or had to. 1. We __________ wear safety glasses when we visited the factory. 2. I ___________ hurry or I’ll be late. 3. Keep these documents. You _________ lose them. 4. For this job, you __________ speak both English and Spanish. 5. I don’t usually work on Saturdays, but last Saturday I _________ work. Use must or must not. 1. Brandon is very thin. He ___ eat very much. 2. I'm sorry. I ____ have the wrong number. 3. You got cold and fever. You ____ feel awful. 4. Carlos takes bus every morning. He ____ have a car. 5. You wear the same clothes every day. You ____ have many clothes.


	Billy: I can still remember the things that she used to say to me when I was a child: “Billy, you must wake up early so you won’t be late for school!” “Billy, you must wash your hands first before eating.” “Billy, you must chew before you swallow!” “You must get good grades in school Billy.” Tommy: Wow, your mother must be very strict. Billy: You bet. 1. What are the things that Billy's mother used to say to him? 2. What did Tommy say about Billy's mother?


	1. What are the things that you must do in order to be successful? 2. What are the things that you must not do to be successful in your life?