七年級英語下冊Unit 6學案
--yes, you must. 是的，必須交。 --no, you needn’t. / no, you don’t have to. 不必。（不用mustn’t） b.must not/mustn’t表示“不允許”“不準” you mustn’t swim in this river. it’s too dangerous! 不準在這河里游泳，太危險了！練習： ( )1.you _____ feed your dog at the table.
a. should b. should not to c. should not d. should to not
( )2.________ i finish my homework now? no, you _______.
a. must, needn’t b. must, mustn’t c. may, may not d. may, needn’t 【教案】
課題
grammar b
課型
新授課
教學目標learn to use the modals ‘must’and ‘should’ to talk about duties and responsibilities
重難點分析to use different modals to talk about a situation
學情分析學生已經初步了解must 和should一些用法，但如何在具體場合使用這兩個詞會產生混淆。
教學方法情景教學法,歸納法
教具準備課件
教學步驟
教師活動
學生活動
個性化補充step 1 1 in part b1,the beijing sunshine secondary school students give instructions about looking after pets. each point of the notes on the left describes the degree of necessity for the instruction next to it on the right. ask students to read the four letters in part b2 carefully. make sure that they understand the messages well. ask them remember and to check the words in their dictionaries.step 23. in part b3, students can read some of the answers which give advice to the writer of each letter. a representative from another group responds by reading his/her advice. you could turn this into a competition. if the sentence is correct ,the group wins a point .if not ,the chance goes to the next group. students correct their own sentence.explain the use of ‘must’ and ‘should’ by showing them examples. ask through the examples of negative sentences. write some sample sentences on the board. explain to students that ‘must’ is the strongest word , expressing the sense that something is a absolutely necessary .read the notes to the class . then divide the class into pairs and ask students to complete the instruction on the right. encourage students to check the example sentence on pages 98 and 99 to identify the correct modal word to fit each instruction . . use class feedback to identify any misunderstanding ,as they involve the use of negative forms. . divide the class into groups of four .one group comes to the front of the class and each member reads one letter at a time