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Unit 1 Life on MarsGrammar 1FILL IN THE BLANKS This morning was late. If he wanted to come into the classroom, he should say, “_” If I want to borrow a dictionary from a student, I should say, “_ _”. May I come in? Can I use your dictionary?Now If a student wants to borrow a book from me, what should he/she say?Could I use your book, Mr Zhao?Yes, you _.canCould I use your dictionary?Can I use your dictionary?Can you show us what the two words mean?From the words above, we can know that we can use can, could, may, might to talk about permission, and these four words have different degrees of formality. informalcanused to ask if it is Ok to do sth formalcouldoften used to ask permission from strangers, old people, teachers and bosses Formal and politemayused in formal situations to ask if it is OK to do sth Very formalmightvery formal but seldom usedDad, _(may, could) I take your camera?Yes, you _(can, may).couldcan_ (May, Can) I borrow this helmet?No, you _ (couldnt, may not).Maymay not_ (Might, Can) I borrow your boots?Yes, you _ (can, may).Cancan After borrowing the things he needs, Simon speaks to his mum. Read the dialogue and fill in the blanks with may, can(not), must(not), neednt, ought to.S: Mum, _ I use your computer? I want to search for some information.M: Sorry, you _ use it now. I am busy. And I think you _ _ spend more time on your homework.S: _ I do it now?M: Well, you _. After lunch, you _ have a rest. Then do your homework. You _ use the computer after you finish your work. But you _ play computer games.couldcantought toMustneedntmay/canmay/canmustnt After getting enough information, Simon needs some friends to make the space kit together. He calls Daniel and Millie. Read the dialogue and fill in the blanks with may, can(not), must.M: Someone is knocking at the door. _ It be Lucy?S: It _ be Lucy. I didnt call her. I think it _ be Daniel. Ah, yes! Daniel, come in.(5 minutes later, someone else knocks at the door.)S: Mum, please open the door. It _ be Millie. Im sure!Cancantmaymust1. What do drivers do when the traffic lights turn red ?They _stop and wait till the green light .A. must B. can C. may D. need2. Speak louder please. I _catch what you are saying.A. mustnt B. cant C. neednt D. shall not3. Miss Liu ,must we wear on school clothes on weekends ? No, you _.A. cant B. shouldnt C. neednt D. mustnt4. Happy birthday , Jane. This is for you.Thank you! _ I open the box now ?A. Must B. Need C. Will D. May 5. Who is the man over there ? Is it Mr Li ?No, it _ be him, Mr Li is much taller.A. cant B. may not C. mustnt D. neednt
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