牛津初中英语课件9B U1课件3.ppt

* Using ‘can’ ,’could’, ‘may’ and ‘might’ Kitty, can I borrow your dictionary? Excuse me, sir. May I have a look at the name of your book? Mr Wu, could I ask you some questions about Mars? Kitty -----Can …? Mr Wu ---- Could …? Sir ----- May…? friend teacher stranger Working out the rule Might May Could Can Informal Formal Formal and polite Very formal Used with friends Used with teachers or adults(成人) Used with strangers and people you respect Very polite but rarely used（很少使用） Practice Writing sentences to ask for permission in the following situations Situation 1 You are on a bus and the person in front of you has the window open. It starts to rain and you’re getting wet. May I close the window? Practice Writing sentences to ask for permission in the following situations Situation 2 Your cousin is watching a boring programme on TV. You ask her permission to change the channel. Can I change the channel? Practice Writing sentences to ask for permission in the following situations Situation 3 Your uncle and aunt have invited you to join them in a walk in the park. You want to take your dog with you. Could I bring my dog? Learning for use 1 Dad, _____ (may, could) I take your camera? Yes, you _____(can, may). 2 _____(May, Can) I borrow this helmet, madam? No, you ________(couldn’t, may not). 3 _____(Might, Can) I borrow your sports shoes, Mike? Yes, you ____(can, may). could can May may not Can can T: Now Simon is asking different people questions. Pay attention to what he is asking: Look at the first one: /// --- Kitty, can I borrow your dictionary? T: Look at the third one :/// Mr. Wu, could I ask you some questions about Mars? T: Look at the second one: /// Excuse me, sir. May I have a look at the name of your book? T: Can you tell me the differences between the three sentences : S… T: ok. Let’s do some exercises. S… T: Let’s check the answers. 1 Dad, could I take your camer