Unit2 知识点梳理 2023-2024学年外研版八年级英语上册

八上Unit2笔记（人教版）知识点 Unit 2 How often do you exercise? Section A 1.On weekends = at weekends    “在周末”；   on weekdays     “在工作日” 2.Go to the movies             “去看电影” 3.Help with housework = help (to) do housework      “帮忙做家务” Help (动) “帮忙” （1）help sb. with sth. = help sb. (to) do sth   “帮忙做某事” （2）help oneself to...     “随便吃/喝...” （3）can’t help doing sth.  “情不自禁做某事” Help (名)   “帮忙”  with one’s help = with the help of sb.     “在某人的帮助下” 4.Twice a week    “一周两次” （1）英语中的次数表达：once “一次” 是one的派生词；        twice “两次”是two的派生词 常见短语为：at once   “立刻”；  once again “再一次”；  think twice “再三考虑” 三次以上则用基数词 + times的结构表示： three times “三次”；four times “四次” 就次数提问常用how many times  “多少次” （2） 表频率的结构常用：次数 + a + day/week/ month；就该结构提问常用how often 5.Every day   “每天” 6.Exercise (动/名) “锻炼”；  exercise = do some exercise   “做练习；做锻炼” 7.Use the Internet   “使用互联网”； on the Internet  “在网上”；surf the Internet  “网上冲浪” Use of the Internet   “互联网的使用”； 8.Use (动) “使用”   use sth. to do sth.   “使用某物做某事” 其派生词为：reuse(动) “重写使用”；useful (形容词) “有用的”；useless(形容词) “无用的” Use/with/in三个词的区别： (1)Use “用”（东西）   Eg: I use this pen to write.   “我用这支笔写字” (2)With “用” (工具/身体部位等)    Eg: I write with this pen.  “我用这支笔写字” (3)In “用” (语言/声音/材料等)      Eg: I can give a talk in English.  “我可以用英语演讲” 9.What’s your favourite ...  ?       “你最喜欢的...是什么？” Eg: What’s your favourite season?    “你最喜欢的季节是什么？” 10.Free(形容词) “空闲的；免费的；自由的（freedom 名词 “自由”）” 常用结构：be free = have time“有空” Be free to do sth.    “自由地做某事” 11.Full (形容词)  (1) “忙的” -- free “空闲的”； (2)“满的” -- empty  “空的” (3)“饱的” --hungry  “饿的” 常用短语：be full of ... = be filled with ... “充满；装满...” Eg: The bag is full of books. = the bag is filled with books.   “这个包装满了书。” 12.How come?     “为什么呢？” 13.Have ... lessons     “上...课” Eg: have an English lesson   “上一节英语课” Have piano lessons     “上钢琴课” 14.What kind of...      “什么种类的...” 15.Have to  “不得不（客观）” Must “必须（主观）” Grammar 一、频率副词（频率从大到小）： Always (总是100%); usually (通常); often (经常); sometimes (有时); seldom (很少；表否定意义); hardly every (几乎从不); never (从不0%) 二、how开头的特