【正文】
1) Ask the students what they should say in the following situations. This morning was late. If he wanted to e into the classroom, he should say, “__________” If I want to borrow a dictionary from a student, I should say, “____________________”. Now If a student wants to borrow a book from me, what should he/she say? 2) Ask the students to find out the difference between the two sentences. Could I use your dictionary? Can I use your dictionary? From the words above, the student s can know that we can use ?can?, ?could?, ?may?, ?might? to talk about permission, and these four words have different degrees of formality. Step 3 Practice (1) Show the students some pictures and ask them to choose the better w