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

Unit 2 I’ll help to clean up the city parks. Section A Grammar Focus-4c Review Free talk 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 ... 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. 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. Grammar Focus 动词不定式结构 作宾语：主语+谓语V. + to do 作宾补：主语+谓语V.+sb.+ to 作目的状语 语法概述 动词不定式的基本形式是“to+动词原形”，常写作to do(有时to可以省略)，否定形式为not to do。 动词不定式的用法 不定式是一种非谓语动词形式，可以在句中作主语、宾语、宾语补足语、表语、定语和状语等。 动词不定式结构 Please underline the infinitive structures. 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. wouldd like to do ask sb. to do volunteer…to do learn to do decide to do help sb. to do make…to do let sb. do help sb. do Grammar Focus “to+动词原形”， 有时to可省略。 用法 动词不定式具有名词、形容词和副词的特征，因此可在句中作主语、宾语、宾语补足语、定语、表语和状语等。 Grammar Focus 动词不定式（infinitive） 状语 宾语 宾语补足语 主语 表语 定语 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。 1.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