Unit 2 Section A 单元知识点讲解2022-2023学年人教版英语八年级下册

Unit 2 I’ll help to clean up the city parks. Section A 教材知识全解 讲透知识 查漏补缺 知识点一 hope to do sth.的用法 教材原文 I hope to work outside.我希望能出去工作. hope to do sth.意为“希望做某事”,动词不定式作hope的宾语.含hope to do sth.的句子可以转换为含宾语从句的主从复合句. I hope to pass the exam.＝I hope that I can pass the exam.我希望我能够通过考试. 拓展 符合“动词＋to do sth.”结构的短语还有: agree to do sth. 同意做某事 decide to do sth. 决定做某事 refuse to do sth. 拒绝做某事 remember to do sth. 记得做某事 forget to do sth. 忘记做某事 try to do sth. 尽力做某事 want to do sth. 想要做某事 例1 (2020河北沧州十五中阶段检测)Tom has decided________ a part-time job after he graduates from school. A. do B. to do C. did D. doing 解析 句意:Tom已经决定在毕业之后去做一份兼职. decide to do sth.意为“决定做某事”,动词不定式作宾语,故 答案选B. 答案 B 知识点二 clean up的用法·········· 教材原文 You could help to clean up the city parks.你可以帮助打扫城市公园. 本句中的clean up是固定搭配,意为“打扫(或清除)干净”.它的宾语有两种情况: 如果宾语是名词 该名词可以位于clean和up之间,也可以位于clean up之后 如果宾语是代词 该代词只能位于clean和up之间 They began to clean up the kitchen after the party was over.＝They began to clean the kitchen up after the party was over.聚会结束之后,他们开始打扫厨房. 例2(2019甘肃兰州永登期中)-Your bedroom is so dirty. Would you please________, Peter? -OK, Mum. I'll do it right away. A. set it up B. put it on C. pick it up D. clean it up 解析 根据前一句中的so dirty可知是要求对方打扫房间. clean up意为“打扫干净”,它的宾语是代词it,指代your bedroom,代词只能放在clean和up的中间.故选D. 答案 D 知识点三 cheer up的用法··········· 教材原文 The girl could visit the sick kids in the hospital to cheer them up.那个女孩可以去看望医院里生病的孩子,使他们振作起来. cheer up 意为“(使)变得更高兴;振奋起来”.cheer up的宾语有两种情况: 如果宾语是名词 该名词可以位于cheer和up之间,也可以位于cheer up之后 如果宾语是代词 该代词只能位于cheer和up之间 Let's go to the children's hospital to cheer up the sick children. =Let's go to the children's hospital to cheer the sick children up.让我们去儿童医院使那些生病的孩子们振作起来吧. The good news cheered him up.这个好消息使他振作了起来. 拓展 cheer up还可以单独使用,此时是常见的口语表达,意为“振作起来”,多用在鼓励他人的场景中. Cheer up! I'm sure you'll feel better tomorrow.振作起来！我肯定你明天会感觉好些的. 例3 (2020湖北孝感大悟期中)！It's not the end of________ the world. Let's try again. A. Grow up B. Stand up C. Cheer up D. Wake up 解析 句意:振作起来！这不