江苏省南通市川港中学八年级英语下册 Unit1复习教案 牛津版

1 江苏省南通市川港中学八年级英语下册江苏省南通市川港中学八年级英语下册 Unit1Unit1 复习教案复习教案 牛津版牛津版 教学目的 1 To go over the knowledge in unit 1 教学重点和难点 1 present perfect tense and some words and expressions 教学过程 一 重点单词 past present safe safely safety lonely alone health healthy unhealthy luck lucky luckily unlucky unluckily pleasant unpleasant pleased polite impolite although though owner own develop devloping developed development recent recently describe description complete incomplete kind unkind 二 短语运用 in fact get married turn into noise pollution take off in some ways from time to time be in service use free time on one s own on longer the changes to the Kowloon Walled City history project move out of to change a lot in the past land safely feel lonely hear from 三 重点结构 It is easy for him to see them as often as before It was built to the north of Lantau Island I wish you a happy holiday It no longer provides a good environment for wildlife The changes have brought many benefits but they have also caused many problems for wildlife 四 语法 现在完成时 present perfect tense 1 现在完成时所表示的动作发生在过去 但考虑较多的不是动作发生在过 去的什么时候 而是强调与目前的联系 即过去与现在的关系 强调过 去的动作对目前造成的影响和后果 或强调动作本身或状态持续地现在 因此属于现在时范畴 它的主要用法可概括为八个字 影响 结果 持续 和经历 2 现在完成时的构成 肯定式 I We you they have been worked she he it has been worked 否定式 have not been worked has not been worked 疑问式 Have 主语 been worked Has 主语 been worked 3 现在完成时的用法 1 表示过去发生的某一动作对现在生成的影响或结果 如 He has read the book 他已经读过这本书了 读书 是发生在过去的动作 对现在造成的结果是 读过了 2 表示动作过去已经开始 持续到现在 可能还要继续下去 这时往往与表示一段时 间的状语连用 如 He has worked for more than three years 他工作三年多了 I have been in Suzhou for ten years 我来苏州已经十年了 2 3 现在完成时属于现在时态范畴 不能和表示过去的时间状语连用 如 yesterday last week a day ago 等 但可以和 never ever already yet just 刚刚 for since in the past three years so far 到 目前为止 by now before 以前 等连用 如 Have you finished your picture yet 你已经完成你的画了吗 I have never heard of him before 过去我从未听说过他 4 瞬间动词也叫短暂性动词 这种动词动作开始也就意味着结束 所以不 能与表示一段 时间的状语连用 这些动词是 become begin start buy borrow arrive come die fall finish go join leave marry 等 这了表述这种意思 我们常用相应的延续性动词 have keep 等或短语 be 名词 形容词 位置副词 介词短语 来代替短暂性动词 如 He has kept the book for three weeks 这本书他已借了三周了 The meeting has been on for half an hour 会已开始半小时了 He has been in the army for three years 他参军三年了 5 其他词组的区别 since 和 for 的区别 since 短语或从句表示过去的动作延续至今 since 之后为时间点 如 He has lived here since 2000 2000 年以来他一直住在这儿 I haven t seen him since ten years ago 自十年前开始我就没见过他 I have known him since I was very young 我很小时就认识他了 For 短语表示动作延续多长时间 for 后面跟时间段 如 He has lived here for three years 他住这儿已经三年了 I haven t seen her for a long time 我已经好久没见到她了 have has been in have has been to 和 have has gone to 的区别 have has been in 表示 在某地呆了多久了 可以与表示一段时间的状语连 用 Have has been to 表示 曾到过某地 已回来 不能与一段时间的状 语连用 两者表示的意义不同 所以跟的时间状语也不同 如 He has been to Guangzhou twice 他去过广州两次 He has been in Guangzhou for a long time 他在广州已呆了