9Aunit 5Period 5 Grammar .doc

9Aunit 5Period 5 Grammar A、B&C教案设计者：陆新云一、 Teaching aim: (A) 掌握运用规则和 before,when, after引导的表示过去的时间状语(B) 掌握并能使用should, ought to , had better, have to 及must来提出建议.(C) 掌握并能使用why not, why dont you及perhaps来提出建议二、Teaching importance:其他使用过去完成时的情况：原因状语从句，宾语从句，by 的时间状语及上下文语境. 使用should, ought to , had better, have to 及must来提出建议. 使用why not, why dont you及perhaps来提出建议三、 Teaching difficulties: 区分过去完成时、现在完成时和一般过去时四、 Teaching procedure:(一) warm-up : An English song and free talk（二）lead-in and Presentation通过提问某个学生今天迟到的原因这个话题导入一个含过去完成时的句子：1.Why were you late this morning?Because when I got to the station,the school bus had already left.2.How many English tenses had you learned by the end of last term?We had learned six tenses. (三).归纳并操练 1. 归纳过去完成时的结构: _+_ 完成表格:VerbPast perfect tenseVerbPast perfect tense1.be5. study2. rub6. open3. begin7. see4. bring8. leave 2. Finish Part A1 on P87, 感知用法规则 归纳出用法规则: 规则: 1. If we want to talk about two past actions in a sentence, the Past Perfect Tense (过去完成时) is used for _a. the earlier action (先发生的动作)b. the later action (后发生的动作) 2. For the later action, we use _a. Past Perfect Tenseb. Simple past Tense (一般过去时)简而言之：过去完成时表示的动作发生在“过去的过去”。也就是说以过去的某个动作为基本，在这个动作之前已完成的动作就用过去完成时。操练以上规则: Finish Part A 3 on P88归纳: 1. 过去完成时的时间状语：by+过去的时间，by yesterday, bythe end of last month, by the end of last term2. 拓展:观察以下句子并归纳还有什么情况要用过去完成时:(1) When I got to the cinema, the film had been on for five minutes.(2) He asked how many books I had read already.(3) We had learned English for five years before we moved to England. (4) After the thief had been caught by the policeman,the crowded people left. 归纳: 1: 在出现了after,when,before 引导的时间状语从句中， (先发生的动作/ 后发生的动作)常用过去完成时. Modification 2. 在宾语从句中,若主句用一般过去时,宾语从句中的动作在主句动作之前已完成了,_句中的动词要用过去完成时. 3. 根据_语境要用过去完成时.中考加油站:1. The blackboard was clean because she _ (clean) it.2. - Why did Miss Wang look so worried when we saw her?- Because she wondered if her students _ (survive) the earthquake.3. We _(buy) three flats by the end of last year.4. He met his friends in the street yesterday. They _ (not meet) for five years.中考链接：（06无锡）1.They _(read) three books by the end of last week.(07武汉)2. I went to Li Hongs house yesterday, but he _ (go) out. (四)呈现并操练一般问句及问答:Finish Part A4 on p89（五）区分过去完成时、现在完成时和一般过去时 1. We have learned six tenses by now. 2. We had learned six tenses by yesterday. 3. We started to learn Unit 4 yesterday.归纳：1. 现在完成时强调_为止的结果和状态. 2. 过去完成时强调_为止的结果和状态. 3. 一般过去时强调_ 的动作或状态.中考加油站1. I _ already _ (have) brdakfast, Im not hungry.2. I _ already _(have) breakfast before I came here.3. Mum _ (get) up to prepare my breakfast at 5 oclock this morning.(六) production: This morning I_(get) up at six.After I_(have) breakfast, I hurried to the station. But when I got to the station, the bus _already_(leave).I had to take a taxi to school. When I got to the school, the first class _(begin).My head teacher said to me “You _(be )late three times since school began.”I was very shy. I_(promise) him not tobe late again.(七) Grammar (B)1.复习Comic strip部分来引出用should和why dont you等方法提出建议。 Why dont you stop daydreaming? You should be more realistic. Ask students to make more sentences like these.(1) You ought to read more to improve your English.(2) Why not go to the cinema today?(3) You must finish your homework first. 2. Finish exercise on p90 in groups and then read them(八) Grammar (C) 1提出建议的方法还有以下几种非正式的表达：用why not, why