八年级下册unit21a-2d

八年级下册Unit 2 Ill help to clean up the city parks.Section A 1 (1a-2d)一、教学目标： 1单词： clean up, city, cheer, cheer up, give out, volunteer, notice, used to, lonely, 句型： You could help to clean up the city parks. We should listen to them and care for them.2 情态动词could, should的用法；用should或could提出建议并对别人的建议作出评价。如何表达主动提供帮助。二、教学重难点学会提供帮助的基本句型 三、教学过程Step 1 Warming up 与学生讨论志愿者活动的情况，通过询问他们以下问题来引导学生们了解社会上一些的志愿们进行的活动。Step 2 New words clean up, city, cheer, cheer up, give out, volunteer, notice, used to, lonely,Step 3 Discussion1. 1a. Look at the ways you could help others. Then list other ways.2. Ss discuss with their partners and write the ways one could help others: Help to plant trees by the river. Help to clean up the city park. Visit the old people in the old peoples home. Help young kids to learn English. Step 4 Listening 1. T: Tell Ss to read the sentences in the chart. Make sure they know the meaning of the sentences. 为听力打下基础。2. 1b. Play the recording for the Ss to listen and number the ways the boy and girl could help others. 完成练习。_ The girl could visit the sick kids in the hospital to cheer them up. _ The boy could give out food at the food bank. _ The girl could volunteer in an after-school study program to teach kids._ The boy could help to clean up the city parks. (Key: 3, 2, 4, 1)Step 5 Pair work 1. Let Ss read the conversation in the picture. 2. 1c. Use the information in the chart of 1b to make other conversations. A: I hope to work outside. B: You could help to clean up the city parks. 3. Let some pairs act out their conversations. Step 6 Listening 1. 2a: T: A group of students are planning a City Park Clean-up Day. Listen and check () the things they are going to do to tell people about it. 1. Look at the pictures in 2a. Discuss the things they are going to do. 2. Play the recording for the Ss to listen and check the pictures. 3. Play the recording again to check the answers.Answers: b, c, e2. 2b: 1. Let Ss read the sentences below. Explain some main sentences for the Ss. Make sure they know what to do. 2. Play the recording for the Ss to write the correct words in the blanks. 1. We need to _ _ _ a plan to tell people about the city park clean- up. 2. Clean-up Day is only two weeks from now. We cant _ _ making a plan. 3. We could _ _ signs. 4. Lets make some notices, too. Then Ill _ them _ after school. 5. We could each _ _ 10 students and ask them to come. 3. Play the recording again to check the answers. Answers: 1. come up with 2. put off 3. put up 4. hand, out 5. call up Step 7 Pair work . 2c. Tell Ss to make a conversation using the information in 2a and 2b. Step 8 Reading and Role-play 1. Read the conversations and answer the two questions: Wheres Helen going to work this summer? _ What did Tom do to help the old people? _ Answers: Shes going to work in an old peoples home. Reading the newspaper or just talking to the old people.2.Practice the conversation with their partner. Then let some pairs to act out the conversation. Step 9 Language points. They told me stories about the past and how things used to be. used to多用于两种情况的表述。其一，表示过去一度存在但现在已经消逝的某一特定的情形。此句便是如此。这一用法下，used to常与be, have, live, stay, like, love等词连用，表示“曾经”。e.g. I used to live in London. 我曾经住在伦敦。其二，used to还可用来表示“过去常常”做的某件事或某种行为。e.g. Were eating out more often than we used to.我们最近外出吃饭的次数比以前要高出许多。used to的否定结构多为didnt use to。人们也说used not to, 我们也可用never来强调否定used to。e.g. They never used to ask where Id been. 他们过去对我去了哪里从不过问。在问句中，人们习惯用diduse to结构。e.g. Did you use to study in this building? 你过去就曾在这栋楼里学习吗？Step 10 Exercises. Choose the correct answers.1. I took her to the concert to _. A. cheer up her B. cheer her up C. cheer she up 2. Lets help _ food at the food bank. A. to give out B. give up C. giving out . Complete the sentences.1. Youd better _ _ _ (想出) a better plan. 2. Who will _ _ _ (自愿回答) this question?3. You could put up