Unit 2 Section A (Grammar Focus-4c)课件 2023-2024学年人教版八年级英语下册

Unit 2 I’ll help to clean up the city parks. Grammar Focus-4c Learning Aims 正确运用本课时的重点单词raise, midnight, alone等，了解短语动词的含义、类型、用法。 对动词不定式的用法进行归纳总结,掌握其运用规则。 积极参与志愿活动，帮助和关爱他人。 2 If we are volunteers, we could ... visit the sick kids in the hospital to cheer them up help to clean up the street help children with their homework help the old people Free talk Warming-up Mario would like ______ (be) an animal doctor. He works for an animal hospital because he wants ______ (learn) about how _______(care) for animals. to be to learn to care Mary decided _________(try out)for a job at an after-school reading program last year. She still works there now_______(help)kids learn to read. And she a dream job beacuse she can do what she loves ______(do). to try out to help to do Infintives动词不定式 Grammar Focus I'd like to help homeless people. She decided to try out for a volunteer after-school reading program. You could ask hospitals to let you visit the kids and cheer them up. Mario believes it can help him to get his future dream job. She volunteers there once a week to help kids learn to read. I'm making some signs to put up around the school. 无家可归的 Infintives 动词不定式 基本形式：to do(有时to可以省略)，否定为not to do 动词不定式没有人称和数的变化，在句子中不能作谓语。 动词不定式仍保留动词的特点，即可以有自己的宾语和状语。 动词不定式具有名词、形容词和副词的特征，因此在句中可以作主语、宾语、宾语补足语、定语和状语等。初中阶段要求掌握的动的句法作用如下表： 成分 例句 宾语 I'd like to help homeless people. She decided to try out for a volunteer... 宾语 补足语 You could ask hospitals to let you visit the kids and cheer them up. Mario believes it can help him (to) get his future dream job. 目的 状语 She volunteers there once a week to help kids learn to read. I'm making some signs to put up around the school. 动词不定式作主语时，通常表示一个具体的、特定的行为，其谓语动词用单数形式。 To know oneself is difficult. 人能自知，实属不易。 作主语 动词不定式作主语时，为避免句子头重脚轻，可以用it作形式主语，不定式做主语放在句末。 It's difficult to learn a foreign language. 常接动词不定式作宾语的动词有： 想要 拒绝 忘记 (want, refuse, forget) 需要 努力 学习 (need, try, learn) 选择 同意 帮助 (choose, agree, help) 希望 决定 开始 (hope/wish/expe