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课件网) Unit2 I’ll help to clean up the city parks 语法课 Learning aims: 1.To learn the use of infinitives. 2.To learn to express your intentions to be a volunteer. Mario is a high school student who loves animals. He wants to be 1. animal doctor in the future.Now he volunteers at an animal hospital every Saturday morning because he believes it can help him 2. (get) his future dream job.He thinks it is hard work. But he wants to learn more about how 3. (care) for animals.He gets such a strong4. (feel) of satisfaction when he sees the animals get 5. (good) and the look of joy on their owners' faces. Mary is from the same school as Mario. She is a book 6. (love). She could read by herself 7. the age of four. Last year, she decided 8. (try) out for a volunteer after-school reading program.Now.she still works there once a week to heln kids learn to read. 9. (volunteer)there is a dream come true for her. She can do 10. she loves to do and help others at the same time.” Lead in:Let’s review answers：1.an; 2.(to) get; 3.to care; 4.feeling; 5.better; 6.lover; 7.at;8.to try; 9.Volunteering; 10.what 非谓语—动词不定式 一、形式 肯：to do 否：not to do 二、特点 在句中不单独作谓语，没有人称和数的变化。可有自己的宾语、状语。 在句中起名词、形容词或副词的作用。 句子成分： 主干：主语、谓语、宾语、补语、表语 修饰：定语、状语、同位语 主语：动作的发出者 谓语：主语发出的动作或状态 宾语：动作的承受者 补语：补充说明宾语的动作或状态 表语：说明主语的身份、特证和状态 定语：修饰名词或代词的修饰语 状语：修饰动词、形容词或副词的成分 同位语：对句子中某一成分作进一步解释、说明 三、用法： 1、作宾语：主+谓+to do ①想要/拒绝/莫忘记：want/would like/refuse/forget ②学习/需要/你努力：learn/need/try ③开始/期待/你喜欢：begin/start/expect/like ①希望/决定/后同意：hope/wish/decide/agree 2、作宾补：主+谓+sb+to do... 常见动词： tell/ask/want/would like /encourage 鼓励/allow允许/teach/wish 3、作主语：It's+adj+(for/of sb) to do sth. 4、表语：My job/duty/plan is to do 5、状语： 原因：be+adj.(happy/sad/pround)+to do 目的：do sth. to do（句首/末） 结果：too...to do 6、定语 We have a lot of work to do 动+副短语 一、常见“动副短语”： 动词加上副词away,out, up,down, on, off等构成的短语为动副短语 1 put away收起来放好 give away捐赠 take away拿走，没收 throw away 扔掉 run away逃跑 go away 走开 2 put up举起，张贴，搭建 cut up切碎 Call up打电话 set up建立 turn up调大 give up放弃 wake up唤醒 3 try on试穿; put on 穿上,戴上; turn on打开 4 put off脱下，推迟; take off脱下，起飞; break off突然中止 cut off切断; 5 give out 分发; hand out分发 take out取出; bring out使显现; break out爆发 clean out打扫,清洗; die out灭绝 二、用法： ①名词作宾语，可放中间/之后 ②代词作宾语，只能放中间 For example: I will help to clean up the city parks. Our classroom is so dirty that we have to clean it up. raise 募集；征集 midnight 午夜；子夜 alone 独自；单独 1.I'd like to help homeless people. 2.She decided to try out for a volunteer after-school reading program. 3.Yo ... ...
