牛津初中英语课件9bu1课件3

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? friendteacherstrangerWorking out the ruleCanCouldMayMightInformalFormalFormal and politeVery formalUsed with friendsUsed with teachers or adults(成人 )Used with strangers and people you respectVery polite but rarely used（很少使用）PracticeWriting sentences to ask for permission in the following situationsSituation 1 You are on a bus and the person in front of you has the window open. It starts to rain and youre getting wet.May I close the window?PracticeWriting sentences to ask for permission in the following situationsSituation 2 Your cousin is watching a boring programme on TV. You ask her permission to change the channel.Can I change the channel?PracticeWriting sentences to ask for permission in the following situationsSituation 3Your 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 use1 Dad, _ (may, could) I take your camera?Yes, you _(can, may).2 _(May, Can) I borrow this helmet, madam?No, you _(couldnt, may not).3 _(Might, Can) I borrow yo