约3240字。

　　Boonit 3 Under the sea
　　How to complain politely and
　　write a letter of complaint 
　　Teaching aims:
　　1 to teach students related knowledge about a complaint
　　2 to teach students to make a complaint orally and write a letter of complaint
　　3 to lead the students to change themselves first instead of complaining others and to lead a happy life without complaints
　　Teaching steps:
　　Step 1 warming-up and lead-in
　　Students learn two ways of making a complaint by watching a video, one of which is rude while the other is polite.
　　Step 2 learning sentences used to complain through listening
　　Students learn the sentences by listening to two dialogues about complaining about a whale watching tour
　　Step 3 map a dialogue with the expressions and perform it out
　　Students work with their desk-mates to map a dialogue based on a situation (textbook, page 27, situation 2). They can have the sentences learnt before as reference.
　　Step 4 learning about the structure of a letter of complaint
　　Students learn how to write a letter of complaint by reading two sample letters and summarize the structure with the help of a mind map.
　　Step 5 writing a letter of complaint
　　Students write a letter of complaint based on the same situation. They can have the sentences from the dialogues and letters for reference.
　　Step 6 homework and conclusion
　　Students will make a dialogue and write a letter of complaint based on the other two situations (textbook, page27, situation 1 and 3). The teacher concludes the lesson and teaches students to change themselves instead of complaining others.
　　Learning plan for students
　　Boonit 3 Under the sea
　　How to complain politely and
　　write a letter of complaint  
　　1. Are the sentences rude or polite? If it’s rude, write R; if it’s polite, write P.
　　1. Could I have another meal sent to me instead?                      
　　2. I would like to have it disconnected please.
　　3. Look at this shirt, it’s rubbish! How can you sell this junk?
　　4. Could I please replace it with another one?
　　5. Get me the manager, now!
　　6. The cable service of yours is awful. I hate it.Come and take it away!
　　2. Fill in the blanks of dialogue 1.
　　1. I’m sorry but we                     about the tour.
　　2. It was        that we couldn’t go outside..My two kids are very            .
　　3. Well, I’m afraid that’s          . I’d           talk to the manager.
　　3. Fill in the blanks of dialogue 2.