Unit 2单元知识点人教版八年级英语上册

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这是一份Unit 2单元知识点人教版八年级英语上册，共4页。

第二单元1. help (v./n.) 帮助help sb. “帮助某人”help sb. (to) do sth. “帮助某人作某事”help sb. with sth. “在某方面帮助某人”help oneself “ 随便吃……”can’t help doing sth. “情不自禁做某事 ”With the help of ...“在……的帮助下 ”Eg：I can’t help crying sometimes. “我有时候会情不自禁地哭”Help yourself to some oranges. “请随便吃些橘子。”2. use sth. to do sth. “用某物做某事”Eg.：We can use our phones to study on the online. “我们可以用手机在网上学习。”3. be free to do sth “有时间做某事 ”= have time to do sthEg：We are free to play sports after class. = We have time to play sports after class.“我们课后有时间做运动。”4. be busy doing sth “忙于做某事 ”Eg：Judy is busy doing her homework on weekends. “朱迪每周末忙于做作业。”5. A be full of B = A be filled with B“A 里面装满了 B ”Eg：The bottle is full of water.= The bottle is filled with water. “瓶子里面装满了水。”6. What about = how about …… “……怎么样？ ”about 作为介词，后面人称代词要用宾格，动词要用 ing 形式。Eg ：What about listening to music.= How about listening to music. “ 听音乐怎么样？ℽ7. Play 在表示球类、棋牌类名词前不加 the ，在乐器名词前必须加 the。Eg：play basketball；play football；play table tennis；play chess；Play the guitar；paly the piano；play the violin8. Stay up late“熬夜 ”9. at least “至少 ”at most “最多，至多 ”10. be good for “对……有好处”be good at“擅长…… ”be good with“善于应付…… ”be good to “对……友好 ”=be nice / friendly toEg：Mike is good at maths. “迈克擅长数学。”Mike is good to his brother. “迈克对他的弟弟很好。”Fruit is good for our bodies. “水果对我们的身体有好处。”11. ask sb. about sth. “询问某人关于某事”ask sb. to do sth. “ 叫某人做某事”ask sb. not to do sth.“ 叫某人不要做某事 ”ask sb. for sth.“ 向某人要某物 ”Eg：We can ask the police for help when we are in danger. “ 当我们遇到危险的时候可以找警察寻求帮助。”Lucy’s mother often ask her to study hard. “露西的妈妈经常叫她努力学习。”12. not ……at all “一点也不 ”Not at all. “不用谢，没关系”13. the answers to... “ ……的答案”Eg：The answer to the first question is A. “第一个问题的答案是 A 选项。”14. the key to “……的钥匙/关键 ”the way to “……的方法，路 ”15. the best way to do sth “做某事最好的方法 ”Eg：Review grammars everyday is the best way to study English well. “ 每天复习语法是学好英语的最好方法。”16. be interested in… “对……有兴趣 ”Eg：My dog is interested in meat very much. “我的狗对肉非常感兴趣。”17. be popular with… “受……的欢迎 ”Eg: Pop music is popular with young people. “流行音乐非常受年轻人的欢迎。”18. Sb. Spend+ 时间/金钱 on sth. “某人花了……时间/金钱在某事物上” Sb. spend +时间/金钱 doing sth.“某人花了……时间/金钱做某事 ”spend time with sb “和某人一起度过时光。”Sth. cost/costs Sb. +具体的金钱 “某物花了某人……钱 ”Sb. pay +金钱+ for sth. “某人为某物付了……钱 ”It takes sb. +时间+to do sth.“做某事花了某人……时间 ”Eg：Max spends 8 hours on her work everyday. “麦克斯每天花 8 小时在工作上。”Max spends 8 hours doing her work everyday.“麦克斯每天花 8 小时工作。”Max spends time with Caroline everyday.“麦克斯每天和凯洛琳一起度过时光。”A cake cost me 18 yuan. “ 一个蛋糕花了我 18 元。”I paid 18 yuan for a cake. “我为一个蛋糕付了 18 元。”It takes Max 8 hours to finish her work. “麦克斯花了 8 小时完成工作。”19. be afraid of ... “害怕……”be afraid of doing sth. “害怕做某事 ”be afraid to do sth. “害怕去做某事 ”be afraid that ... “恐怕…… ”20. less than “少于” more than “多于…… ”21. How often “多久一次 ” 用于对频率提问How long “多长 ”用于对时间长短和长度提问How far “多远 ”用于对距离提问How many “多少 ”用于对可数名词复数提问How much “多少，多少钱 ”用于对不可数名词或价格提问How soon “多久以后 ”用于对将来的时间提问，指时间还有多久。22. Sometimes “有时” 频度副词，对它提问用 how oftenSome times“几次，几倍 ”对它提问用 how many timesSometime “某个时候 ”副词，对它提问用 whenSome time“一段时间 ”对它提问用 how long