Unit 3 知识清单2023-2024学年牛津译林版八年级英语下册

Unit3 Online tours 语法和词组 语法 一、一般过去时 定义：表示过去某时发生的动作。 结构：主语 + 过去式 +... 主语 + was/were + 表语+... 时间状语： 1. 过去时间点：just now, at that time, the other day, yesterday, this morning, three years ago等 2. 过去时间段：in the past, in + 过去的年份, last week, once upon a time等 二、现在完成时 定义：①发生在过去的动作，对现在造成影响。 ②发生在过去的动作，一直持续到现在，并有可能继续持续下去。 结构：肯定句：主语 + have/has + 过去分词 +... 否定句: ________________________________________________ 一般疑问句: ________________________________________________ 肯定回答：______________________ 否定回答：__________________________ 时间状语： 1. 标志词：already(已经), ever(曾经), just(刚才), never(从不), recently (近来), yet(还), so far(到目前为止) 2. since + 时间点/一般过去时句子/since…ago； for + 时间段 3. 表次数：once, twice, three times, many times 【练习】 1. —When ________ you ________ here? —Two days ago. A. did; come        B. have; come C. will; come      D. do; come 2. —A nice car! Is it yours? —No, it isn't. I ________ it from a friend of mine two days ago. A. borrow           B. have borrowed C. will borrow    D. borrowed 3. —Will you see the film Cinderella with us tonight? —No, I ________ it recently. A. see     B. have seen   C. saw D. seeing 4. —How many times ________ Carl ________ to the Great Wall? —Only once.   A. does; go    B. did; go       C. has; gone   D. has; been 词法 1. online adj.联网的，在线的 adv.在线地 网上购物/旅游 _____________shopping/travel/tours 网友___________ ____________ 网上购物/聊天 shop/chat _____________ 2. use 考点一：used to do sth. 过去常常做某事 考点二：be used to doing sth. 习惯于做某事 考点三：use … to do 使用……做 【练习】 (1) My father _____________ go to work by bike, but now he often drives. A. was used B. used C. used to D. use to (2) Lily is used to_____________ (get) up late in winter. (3) I use my computer _____________ (search) for information. 3. thousands of成千上万的 考点一： hundreds thousands + of +n复数 millions billions 考点二： 数字+hundred/ thousand/ million/ billion +n复数. 【练习】 （1）        students took part in the competition on the I