摘要：Do you have to wear a uniform? Yes, we do. ⑴have to 在本句中的意思是“必须.不得不 . ①have to 后接动词原形.当主语是第三人称单数时.用has to. I have to get up early every morning. Tom has to stay at home to look after his sister. We have to clean the classroom after school. ②当have to 用于否定句或疑问句中时.要根据时态加助动词. We don’t have to finish our homework at school. Does she have to go to school tomorrow? Yes, she does. ⑵must 与have to 都有必须的意思.但must 强调主观看法.have to 比较强调客观需要.must 则不能. I have to go home early this afternoon. We must clean our classroom every day. Section B Step 1 Greetings Step 2 Some new words about this part. Step 3 (1a)Introduces the key vocabulary. Write the letter of each picture on the blank line in front of the rules. Point out the sample answer. Then check the answers. (2a)This activity provides listening and reading practice using the target language. (2b) Listening and writing. Play the recording the first time, then, play it again, this time, have students make check-marks. You may wish to play the tape more than once at this point. (2c)Oral practice. Ask students to work in small groups. (3a)Reading. Read the letter to the class or ask a student to do this. Have students read the letter and write the numbers 1 through 8 in front of the sentences that talk about rules. Then ask students to write the rules on the blank lines next to the letter. (3b)This activity provides guided writing practice using the target language. The students do the activity individually. As they work, move around the classroom monitoring progress and offer help as necessary. At last, check the answers. (3c)This activity provides personalized writing practice using the target language. Ask several students to read their letters to the class. (4) Listening, speaking, reading and writing practice using the target language. Ask students to make a list of the rules in their houses. Then, have some students read their lists to the class. Ask students to move around the room and ask each other questions. Their job is to find other students who have the same rules. Language points:

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