Unit 3 Could you please clean your room?Section B 1a-1e教学目标一、知识与技能1. 掌握新单词和短语。2. 在不同的情境中正确、熟练地使用表示委婉请求的句型。二、过程与方法观看，感受，模仿，实践。三、情感态度与价值观认识到不仅在家庭中，在生活中的其他情况我们也要积极参加，勇于实践。教学重点在不同的情境中正确、熟练地使用表示委婉请求的句型。教学难点培养听、说、读、写四项基本技能。教法导航创设情境，实践演练。学法导航通过听说读写，独立思考，小组合作完成学习任务，提高各项能力。教学准备图片，多媒体。教学过程Step 1 GreetingsGreet the students as usual.Step 2 Review1.Memory testStudents have 30 seconds to remember these phrases in order.2.Pair work Students make conversations by using the pictures in PPTStep3 PresentationT：When I was a teenager，my parents often asked me to clean my room. Sometimes they asked me to buy some things. What chores do your parents usually ask you to do?S1：My mother usually asks me to buy some food.S2：My mother often asks me to make my bed.T： Do you ask your parents to do anything? What do you ask them to do?S1：I ask my mother to make bed for me.S2：I ask my father to buy some books for me.Step 4 PracticeT：Look at the items in 1a，Section B. What do teenagers ask their parents to do? What do parents ask their teenagers to do? Write “parents” or “teenagers” next to each phrase. Ask students to go through the phrases first. Then check their answers. At last classify these phrases.Step 5 Pair work Let students use the phrases in activity 1a to make conversations between parents and teenagers. First，get a pair of students to read the sample conversations. Then students make their own conversations. Step 6 Listening 1c, T：Now listen to the conversation between Sandy and her mom. Please check each item in activity 1a they talk about. Put a check mark in front of each phrase you hear. Play the recording，students finish 1c.Play the recording a second time. Students listen and check the items. Check the answers with the whole class.1d, T：From the conversation，we know Sandy will hold a party. She will invite some friends to the party. But she needs to do some preparations. She asks her mom to help her. And Dave is one of Sandys friends. He will also help Sandy do the preparations. So what is Sandys mom going to do? What is Sandy going to do? What are Sandy and Dave going to do? Lets listen again and fill in the chart in activity 1b. Play the recording a third time. Ask students to write down the things the three people are going to do. Pause the tape where necessary. Then check the answers. Step7 Group work 1e T：Suppose you are having a party. Make a list of things you need to do. Some things are already given. Write more things you need to do. Get students work in pairs and add more things to the list. For example：buy some CDs，buy some drinks and snakes，make some gifts .T： Now make conversations and ask your partner to do some of the things for you. Then ask some pairs to demonstrate their conversations.Step8 SummaryHow to make polite requests and how to ask permission.Step9 HomeworkMake a conversation between you and your mother, using the sentence pattern “Could you please .?”“Could I.?5