Unit2单词详解课件 2023-2024学年人教版八年级英语下册

Unit2 I'll help to clean up the city parks. 以动词为中心构成的短语叫动词短语 1.动词+介词 think of pay for wait for laugh at 接宾语放后边 He broke into the house and stole a computer. Grammar:动词短语 2.动词+副词 clean up find out look up use up come out cheer up 接代词宾语放中间。 He picked it up and gave it to her. 3.动词+副词+介词 catch up with get along with live up to end up with 4.动词+名词+介词 take pride in pay attention to take part in take the place of 5.动词+反身代词+（介词） help oneself to dress oneself make oneself at home 二. 动词不定式的构成 to+动词原形构成，有时to可以省略， 否定形式：to前加not. She wants to go. She makes me laugh. My mother told me not to watch TV. 动词不定式的功能 1.作主语，常用it的形式主语。 It’s not easy for us to speak English. It’s adj for/of sb. to do sth. 2.作表语，可以转化为主语。 Her work is to clean the room. 3.作宾语，只能做部分词的宾语。 He wants to play baseball after school. 这样的动词有： agree,plan,want,learn,expect,decide,promise,refuse,prepare,hope,begin,would like, try,forget等。 4.作宾补，作宾补时与宾语有逻辑上的主动关系。 My mother asked me to learn English well. 使役动词和感官系动词用省略to的不定式： feel hear listen let make have look see watch notice help. 变成被动语态时必须加上to 5.作定语，放在所修饰词之后。 I have a baby to look after. I need some paper to write on. 6.作状语，表示原因和目的。 I’m sorry to trouble you.(表原因) He went to the library to borrow books.(表示目的) 7. 疑问词+不定式。 与who,what,which,when,how,where等连用 常见用法： who to go with what to do how to do it which to buy/choose when to go/leave where to go Word: 1.clean up v 打扫干净 （颗粒） clean off 擦净（印记） He often cleans up his room on weekends. clean it/them off 2.cheer v 欢呼 喝彩 cheer up 使高兴 振奋 Cheers！干杯 Tom wants to cheer up the sick kids. turn up 调大 use up 用完 give up 放弃 wake up醒来 pick up捡起 set up 建立 look up 查阅 grow up 成长 put up 张贴 fix up 修理 open up 打开 dress up 打扮 stay up 熬夜 eat up 吃完 get up 起床 3.give out 分发 （原地） hand out 分发（走动） Eric gave out the food at the food bank. I handed out the notices after school 4.volunteer n＆v 义务做 志愿者 volunteer to do sth volunteer one's time to do sth He wants t