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1、Unit 2 Ill help to clean up the city parks第三课时Section A(Grammar Focus4c)【学习目标】1学生学习掌握下列词汇：sign，sick，raise，alone，进一步复习巩固学习Section A部分所学的生词和词组。2对动词不定式的用法进行归纳总结，掌握其规则，熟练运用本单元出现的词组及动词不定式。【学习重点】复习巩固Section A部分所学的生词和词组，熟练运用动词不定式。【学习难点】掌握学过的后面接不定式做宾语的动词及掌握动词不定式作不同的句子成分。 情境导入师生自由创设情境，询问交流志愿活动，引入话题。T：Do you
2、want to help homeless people?S：Yes，Id like to.T：How could you raise money to help them?S：自学Task 1【组内小展示】先由各小组组长带领组内成员认读单词和词组，再在整个小组内进行齐读后对词汇的用法进行归纳，并标记出发音和理解困难的单词，可及时向老师求助。最后，板书展示内容。【班级大展示】1I can read.(我会读)带读齐读，注意raise的发音；通过游戏形式，如单词游戏来巩固单词的学习。2I can write.(我会写)以answer quickly(抢答)的方式对词组进行中英互译；带读齐读；抽测
3、：可以用造句的方式巩固词组的用法。3I can practice.(我会练)总结动词不定式的用法；结合所学的动词不定式的用法，完成句子。情景导入生成问题1(T)Question：Would you like to help homeless people?(S)Answer：_2(T)Question：What could you do to raise money to help them?(S)Answer：_自学互研生成能力Task 1Lets read new words and phrases.1I can read.(我会读)raise，alone，raise money，home
4、less people2I can write.(我会写)(1)be worried about 对担心 (2)be busy with sth.忙于某事 (3)make a lot of money 赚许多钱 (4)raise money for homeless people 为无家可归的人筹集钱 (5)sick children 生病的孩子们 (6)travel alone 独自旅行 (7)There are many people who are less lucky than us.有许多不及我们幸运的人。 3I can practice.(我会练)根据汉语意思完成下列句子。(1)她
5、决定尝试做一名志愿者。She decided to_try_out for a volunteer.(2)我想帮助无家可归的人。Id like to_help_homeless people.(3)你可以请求医院让你看望那儿的孩子们以使他们高兴起来。You could ask hospitals to_let you visit the kids and cheer_them_up. (4)我正在做一些标语张贴在学校附近。Im making some signs to_put_up_ around the school.Task 2Make conversations about your a
6、ccidents.1I can make conversations.(我会编对话)结合课文内容编写对话及完成P12中4a，4c的练习，并表演对话。 A：Would you like to be a volunteer?B：Yes，Id like to.A：What do you like?B：I like helping the kids.What could I do?A：I think you could try out for a volunteer afterschool program. 2I can use.(我会用)完成4b的任务。 Answers：(1)to_make；(2)
7、to_do；(3)to_help；(4)to_spend；(5)to_visit；(6)to_move Task 2【组内小展示】小组内先讨论并核对Task 2的相关答案，再在组内讨论设置情境表演对话，并总结动词不定式的用法。最后，在黑板上板书展示内容。【班级大展示】1I can make conversations.(我会编对话)根据任务补全教材P12中4a和4c的内容；设置情境编写并表演对话；根据对话内容，对同学进行随机提问。2I can use.(我会用)完成教材P12中4b的方框选词填短文，并把答案板书在黑板上；用检测形式全班讲解；对同学进行随机提问。3I can summarize.
8、(我会总结)讲解动词不定式的用法 ，以练习的形式对学生进行检测；完成教材4c的任务，采取快速抢答的形式核对答案。【备注】3I can summarize.(我会总结)动词不定式在句中可以作主语、宾语、表语、定语和状语，还可用在复合结构中，在有些情况下，to 可以省略。(1)作主语：动词不定式作主语时，常用it作形式主语，而把作真正主语的动词不定式短语放在句尾。(2)作定语：动词不定式作定语，要放在它所修饰的名词或代词之后。(3)作宾语：decide，hope，agree，choose，fail，wish，learn等动词后常接动词不定式作宾语。(4)作宾语补足语：ask/like/tell/w
9、ant/sb.to do sth.其中to 不可省略。let/have/make/feel/hear/see/watch/sb.do sth.help sb.(to) do sth.(5)作表语，如：His dream is to_be_a_doctor他的梦想是当一名医生。(6)作状语，如：Im sorry to_hear_it听到它我很难过。交流展示生成新知Show in groups.(Time：six minutes)Task 1First the students read the words and phrases in groups，then read together and
10、sum up the usage of the words in groups，then mark the difficult words in pronunciation and understanding (they can ask the teacher for help)At last write them on the blackboard.Task 2First the students discuss and check the answers in Task 2，then discuss，make dialogues and set scenes to perform the
11、dialogues.At last write the show contents on the blackboard.展示提升Class show.(Time：sixteen minutes)Task 11I can read.Read together, pay attention to the pronunciation of “alone”；Sum up and explain the usage of “alone”；Consolidate the word learning by word game.2I can write.Students translate the phras
12、es into Chinese by answering quickly；Read together and sum up the usage of “alone”；Spot test：Consolidate the usage of phrases by making sentences.Task 21I can practice.Ask students to finish the exercises；Check the answers by answering quickly and explain.2I can make conversations.Students make dialogues according to the task；Set scenes to perform the dialogues；Spot test：Interview in class and design exercises according to the interview.3I can summarize.Students sum up the object clause tense and the word order structure of howexclamatory sentence；Spot test：Consolidate it by exercises and ch
