Unit2 单元知识点总结课件PPT--2022-2023学年度八年级英语下册基础知识专项讲练（人教版）(4个板块)

Unit 2 I'll help to clean up the city parks Grade 8 里学四 学科网原到，社学司更会易！ Contents 01 Grammar 02 Words 动词不定式 volunteer,satisfaction... 03 Phrases 04 Writing give out,clean up... 志愿者活动 学科回 科网原创，让年司更各易！ 01 语法专题 口I人 The first part 动词不定式 学科网原引,让一刁更答另! 1.1结构 肯定形式:to do_____ I decide to clean up the park 否定形式:not to do——__ I decide not to clean up the park. 型学刊胸 李科冈原到，让李司更会易！ 1.2基本用法 1.不定式作主语 To master a foreign language is 01直接 not easy. 作主语 It is important for us to study hard. 02it作 It is kind of you to help me. 形式主语 学利网 科冈原到，让学司更会易！ 2不定式作宾语 03作介词宾语： 01作动词宾语 02用it作形式宾语 介词+疑问词+to do I hope to be a I find it difficult We are talking about how policeman. to ride a bike. to solve the problem. 学购 科冈原到，让学司更会易！ 想要拒绝学习 决定同意等不及 want to do decide to do refuse to do agree to do learn to do can't wait to do 提供期待希望 计划选择假装 offer to do plan to do expect to do choose to do wish to do pretend to do 相关链接：用不定式作宾语的常见动词 学购 首科闪原剖，让学司更客易！ 3.不定式作宾语补是语 I told you not to smoke. ask sb to do sth. tell sb.to do sth. allow /warn sb.to 请求某人做某事 告诉某人做某事 允许/警告某人做某事 expect sb.to do sth. encourage sb.to do sth. a advise sb.to do sth. 期待某人做某事 鼓励某人做某事 建这某人做某事 want sb.to do sth wish sb to do sth. invite sb.do sth. 想要某人做某事 希望某人做某事 邀请某人做某事 型学利胸 科网原到，让年司更各易！ 4,不定式作状语 目的状语（常放句首，句尾） 01 原因状语（常放表语后） To arrive on time,I got up 02 I am so excited to be here. one hour earlier. 03 结果状语（too.to结构) 独立成分 04 To be honest,I don't like It's never too late to learn. him very much. 零学利胸 学科网原创，让李司更各易！ 单项选择 1.Walking to school every day me to keep healthy. A.help B.helps C.helping iTing is always the first girl to the classroom. A.to get B.to reach C.getting D.reaching 3.When I was walking past his room yesterday evening,I heard him piano. A.playing B.to play the C.playing the D.to play 4 He stopped the front row of shoes.He wanted to buy a pair of shoes for his mother's birthday.