1、外研版八年级下学期外研版八年级下学期 M4-M 5 重要知识点和语法点的讲解重要知识点和语法点的讲解 Module 4 知识点知识点 1 exercise v 运动,锻炼 n 锻炼,运动 不可数名词 n 练习,操练 Eg : We should take some exercise every day . I have two exercises to do today . He likes doing morning exercises . 2 since for Since +时间点、句子(一般过去时) For + 时间段 Eg : I have learned English since
2、 I was six years old / 6 years ago . I have learned English for 6 years . 3 be harmful to = do harm to = be bad for 对某某有害的 harmless 无害的 Eg : Smoking is harmful to our health . Smoking does harm to our health . Smoking is bad for our health . 4 sleep sleepy asleep fall asleep Sleep v n 意为“睡,睡觉” ,表示持续
3、性状态 Sleepy adj 意为“欲睡的,困乏的” Asleep adj 意为“睡着的,睡熟的, ”常作表语 Fall asleep 表示“入睡”的短暂动作 be asleep 表状态 Eg : Although I slept eight hours last night ,I still feel sleepy .Im afraid Ill fall asleep in a while . 5 ill sick ill adj “不健康的,有病的” 在句中作表语,不作定语, ill worse worst illness sick adj “生病的” ,在句中作定语 Eg : She w
4、as ill in bed yesterday . She is looking after her sick son . 6 too.(for sb) to do sth so that not . enough to . Eg : The car is too expensive for her to afford . The car is so expensive that she cant afford it . The car is not cheap enough for her to afford . 7 good well good adj 好的 Eg : The music
5、sounds good . well = healthy adj 健康的,只能作表语 well adv 好地 Eg: She plays the piano very well . 8 with/without a smile on ones face with +宾语+宾语补足语 表伴随 Eg : The man left the meeting room with a book in his hand . 9 表达头疼的几种方式 I have a pain in my head . I have a headache . My head aches /hurts . 10 join(in)
6、 take part in join + 党派,团体名词 表示加入某一党派或团体,并成为其中一员 Eg : She joined the Party last year. join in = take part in +某活动 表示参加某活动 Eg :She joined in the game . join sb 表示加入到某个行列中(一起做某事) Eg :I will join you later . 语法专项语法专项 现在完成时三现在完成时三 语法全解语法全解 1 表示动作或状态从过去某时开始,一直延续至今,可能刚刚结束,也可能继续下去,常与 for 或 since 引导的时间状语从句连
7、用,用 how long 提问,谓语动词用延续性动词。 How long have you lived here ? I have lived here for about ten years . We have been very busy since the new term began . 2 短暂性动词的转换问题 英语中有些动词,如 come ,go ,begin ,start, die ,buy ,borrow ,sell 等,被称为短暂性动词。 短暂性动词不能与表示一段时间的状语连用,若与时间段连用通常要借助以下几种方式。 (1)将短暂性动词转化为“be + adj adv” Be
8、gin /start - be on Go there - be there Come back - be back Come here - be here Open - be open Close - be closed Die - be dead Marry - be married Finish - be over Go to bed - be in bed Leave - be away Return - be back Get out - be out Fall asleep - be asleep Lose - be lost Fall ill - be ill The shop
9、has opened for 6 hours . The shop has been open for 6 hours . (2)有的短暂性动词可以转化为意思相同的延续性动词。 Borrow - keep Put on - wear / be on Become - be Get to know - know Buy - have (own) Catch a cold - have a cold Receive - have Go to sleep - sleep I have borrowed that book for a month . I have kept that book for
10、 one month . 说明: 1 瞬间动词又叫非延续性动词 ,短暂性动词,还叫终止性动词。瞬间动词可以有现 在完成时态,但不可以接一段时间,若要接一段时间,则要作一些相应的变换。 2 瞬间动词在完成时态中的否定式可以接一段时间。 Module 5 知识点知识点 1 lets = let us (not)do sth 让我们做(不做)某事 类似的 make sb do sth Lets 包括讲话者在内 变反意疑问句时用 shall we ? Lets try it again . Let us 不包括讲话者在内 变反意疑问句时用 will you ? Let us do it by ours
11、elves 2 through across cross Through Prep 意为“通过,经过”,表示动作是在某一物体的内部空间进行的,如穿 过森林,窗户等 Across Prep 意为“横过,穿过”,表示动作是在物体的表面上进行的,从一端到另 一端,如过河,过桥,过马路等 Cross V 意为“穿过,越过,渡过”相当于 go across Eg : The river runs through the city . Go across the bridge ,and youll find the park . The old man is crossing the road . 3 k
12、eep (on)doing sth keep sb doing sth keep sb /sth from doing sth keep sb (宾语补足语) Keep (on)doing sth “不断做某事,反复做某事”,表示持续不断地做某事 Eg :She kept working all day . Keep sb doing sth “让某人做某事”,keep 在这里有“使. 处于某状态” Eg :I keep them waiting at the gate . Keep sb /sth from doing sth = stop sb /sth (from)doing sth 阻
13、止某人做某事 Eg :I always keep my father from smoking . 4 would you mind doing sth /sth 你介意做某事、某事吗? mind v 介词 ;反对 Not at all / Im sorry ,but I do . Mind n “思想,想法,头脑,智力” Eg : change ones mind make up ones mind to do sth 5 both and either or neither nor as well as both A and B 两者都,谓语动词用复数 Eg :Both my brothe
14、r and my sister like English . either A or B 两者之中的任一个,谓语动词遵守就近原则。 Eg :Either my brother or my sister likes English . neither A nor B 两者都不,谓语动词遵守就近原则。 Eg :Neither my brother nor my sister is a student . as well as 既.又. ,不但. 而且. 强调的重点在前者,翻译时物译后者,再译前 者 Eg : She speaks Spanish as well as English and Fre
15、nch . 6 experience v 经历 n 经历 (可数名词) 经验,体验 (不可数名词) Lesson n 经验,教训 (可数名词) Eg : Its a pleasant experience to have a picnic with friends . He is a man of great experience . 7 cant help doing sth / cant help to do sth Cant help doing sth “禁不住做某事,情不自禁做某事” Cant help to do sth “不能帮助做某事” Eg :She couldnt help
16、 smiling . Eg :She cant help (to)do the housework . 8 expect = look forward to 期待,盼望后接名词,代词或动词不定式 Eg : He is expecting her letter . She expects to go there next week . He expected her to go with him . 9 ones own + 名词 a/an 名词+of ones own 某人自已的 Eg : Thats her own idea .= Thats an idea of her own . 10
17、in the 1980s = in the 1980s 在 20 世纪 80 年代 语法专项语法专项 一般现在时,一般过去时与现在完成时的区别一般现在时,一般过去时与现在完成时的区别 语法全解语法全解 1 概念不同 一般现在时表示主语经常性和习惯性动作或存在的状态,也表示说话者的能力及自然现 象。一般过去时表示过去某个时间发生的事,存在的状态或经常性发生的动作。说话的侧重 点只在于陈述一件过去的事情,不强调对“现在”产生的影响。现在完成时表示动作发生在过 去,对现在造成了影响或产生了结果,不与表示过去的时间状语连用。 She often does her homework in the eve
18、ning . He visited Guilin in 1998. Jill has bought a new computer. 2 构成方式不同 一般现在时中谓语动词的构成有以下三种情况: (1) be 动词的一般现在时形式; am is are (2)动词 have 的一般现在时形式:have has (3)其他行为动词的一般现在时形式有动词原 形和第三人称单数形式; 一般过去时的谓语动词用过去式;而现在完成时的谓语基本构成 时“助动词 have /has +动词的过去分词” 3 时间状语不同 一般现在时的时间状语主要有:always ,usually ,often ,sometimes
19、 ,every day ,on Sundays ,in the morning /afternoon/evening 等; 一般过去时通常与 yesterday ,last week ,two years ago ,just now ,in 2002 等表示过去的时间 状语连用; 而现在完成时则常与 just already ever never 等副词和 these days ,this week, since .for .等表示一段时间的状语连用。 We play football in the afternoon. Did you see the film last night ? He has lived in Beijing for 8 years .