Unit 2 Section A(Grammar Focus-4c)教案 2022-2023学年人教版八年级英语下册

Unit 2 I’ll help to clean up 课时3　Section A(Grammar Focus-4c) 课时教学目标 1. 学习动词不定式的用法，掌握表达志愿服务行动的动词短语。 2. 掌握关于表达志愿服务意愿的语句。 教学重点： 1.Key vocabulary: homeless, raise, alone a good way to do, raise... for.... 2. Key sentences: a. She decided to try out for a volunteer after-school reading program. b. You could ask hospitals to let you visit the kids and cheer them up. c. I’m making some signs to put up around the school. 3. Structure a. decide to do b.ask sb to do c.make some signs to do 教学难点： Grammar Focus: the usage of the infinitive. 教学过程 Step 1 Lead-in Revision: Use the expressions learned in last lesson to review the words and phrases by doing some exercises. Step 2 Work on Grammar Focus 1. Ask one student to read the sentences and highlight the infinitives and verb phrases; 2. Ask students to summarize the use of infinitive and accumulate phrases.（针对训练习题见上课课件PPT）动词不定式的主要用法： (1) 作宾语。常见动词有would like, want, help, learn, hope, decide, volunteer。 e.g. I would like to play basketball after class. 下课后我想去打篮球。 (2) 作宾语补足语。常见动词有ask, want, tell, invite, wish, hate。 e.g. My mother asked me to do the housework. 我的妈妈让我做家务。 (3) 作目的状语。 e.g. I do exercise to keep healthy. 我做锻炼以保持健康。 (4) 作后置定语。 e.g. Claire missed a great chance to make a lot of friends. 克莱尔错过了一个交许多朋友的极好的机会。 (5) 动词help 及一些使役动词后面常省略to。 e.g. My mother wouldn’t let me go to the movies. 妈妈不会让我去看电影的。 Key points（针对训练习题见上课课件PPT） 1. try out 试用 2. put up 悬挂，张贴 3. make some signs to do sth. 制作一些标语做某事 Step 3 Work on 4a 1. Ask students to figure out the meanings of given phrasal verbs. 2. Ask students to fill in the blanks with the phrasal verbs. 3. Check the answers. Textbook Answers 1. put off 2. call up 3. come up with; cheer up 4. put up; hand out; give out Key points 1. hand out 分发 2. call up 拨打电话；召集 3. come up with 提出，想出（主意） 4. give out 分发；散发 Step 4 Work on 4b 1. Ask the students to look at 4b and fill in the blanks with the correct forms of the verbs in the box. 2. Ask some students to check the answers and rea