1、Book 5 Module 1 British and American EnglishPeriod 4 grammarLearning goal: review what you have learned about the present simple tense（一般现在时）, the present continuous tense（现在进行时） and the present perfect tense（现在完成时）in the first grade, then know more about these tense in this class. Learning key poin
2、t: the basic and extended usage of these tenses.【Knowledge list 知识清单】1. 一般现在时：一般现在时表示经常发生的动作、习惯性行为、现状、特征或真理、永恒的客观事实。规则说明例句表述客观真理和客观存在及自然现象。Knowledge is power. 知识就是力量。China lies in the east of Asia.中国位于亚洲东部。In summer，days are longer than nights and in winter its the opposite.夏天白天比夜晚长，冬天则相反。表示习惯性、经常性的
3、动作，或经常存在的状态，常和often，usually，always，sometimes，every day，once a week，seldom等连用。Where do you live and where do you work？你住在什么地方、在哪里工作？He always goes to work late，which makes the boss angry and disappointed.他上班总是迟到，使老板既生气又失望。用于时间、条件等状语从句中，表示将来意义。If it doesnt rain，well go on a picnic as planned.如果不下雨，我们将
4、按计划去野餐。When you come across a new word while reading，youd better not look it up.阅读时遇到生词，最好不要查词典。表示按时间表拟定的或安排好的事情，或要发生的动作。常见的动词有：come，go，arrive，return，start，begin，leave，plan等。The final exam takes place next week.期末考试下周举行。The train leaves London at six and arrives at Birmingham at eight.火车六点离开伦敦，八点到达伯
5、明翰。here，there开头的倒装句，谓语动词用一般现在时表示正在发生的动作。Here comes the teacher.老师来了。There goes the bell.铃响了。2. 现在进行时：表示说话时或现阶段正在进行的动作。规则说明例句表示说话时正在进行，可与now，at present，at the moment等时间状语连用。What are you doing now，Bob？鲍勃，你现在在做什么？表示现阶段正在进行的动作，虽然此时此刻动作不一定正在进行。I am helping my dad on the farm this summer vacation.这个暑假我在农场
6、帮爸爸。与always，forever，constantly等连用，表示说话者的某种感情色彩。She is always thinking of others instead of herself.她总是想着别人而不是她自己。(赞扬)Youre always making the same mistake.你老是犯同样的错误。(批评)用于瞬间动词，用进行时代替将来时，表示“很快就要”。常用动词：come，go，arrive，win，leave等。He is leaving for Beijing tomorrow morning.明早他要动身去北京。The old man is dying.T
7、he train is stopping.Just a moment. Im fishing the work.3. 现在完成时：表示过去做的事对现在有影响，或动作持续到现在。规则说明例句表示说话之前已经完成的动作，而且这个动作的结果对现在仍有影响。常与already，yet，recently，never，before等连用。I have just come back from the United States.我刚从美国回来。表示过去已经开始，持续到现在，而且还可能继续下去的动作或状态。常与since，for a long time，in the past/last few years等连
8、用。Great changes in every field have taken place in the last ten years.过去十年里各方面都发生了巨大的变化。在时间和条件状语从句中，可用现在完成时代替将来完成时。I wont believe you until I have seen it with my own eyes.我要亲眼看到它，才会相信你。【Practice跟踪演练】用所给单词的正确形式填空。1Have you got any job offers? No.I (wait)答案：am waiting2 By the time he realizes he (wal
9、k) into a trap，itll be too late for him to do anything about it. 答案：has walked3When you are home，give a call to let me know you (arrive) safely.答案：have arrived4My parents have promised to come to see me before I (leave) for Africa.答案：leave5This is the first time we (see) a film in the cinema togethe
10、r as a family.答案：have seen单句改错。1If he doesnt go to play tennis this afternoon，I dont either. 答案：dontwont2The teacher told us that the moon moved round the earth.答案：movedmoves3She is working hard for long to realize her dream and now she is popular.答案：is workinghas worked4You always change your mind.
11、答案：always changeare always changing5This is the first time that they visited the Great Wall in Beijing. 答案：visited前加上have【Sample questions考题示例】答案：CCACCA1. 06辽宁 The father as well as children every Sunday afternoon in winter.A. is goingB. goC. goesD. are going2. 08湖南 -Do you have any problems if you
12、this job? -Well, I am thinking about the salary .A. OfferB. will offerC. are offeredD. will be offered3. The College Entrance Examination near, so you should prepare it.A. is drawingB. drawsC. drewD. has drawn4. -My dear, you things about. Look, what a mess in the room.A. have always thrownB. always
13、 throw C. are always throwingD. always threw5. Helen her keys in the office so she had to wait until her husband home.A. Has left; comesB. left; had come C. had left; came D. had left; would come6. I wonder why Jenny us recently. We should have heard from her by now.A. hasnt writtenB. doesnt write C. wont write D. hadnt written【Extend exercises综合拓展延伸】完成课时规范训练P83-84 七选五和语法填空 DFABE spoken correctly that/which to get rules learning meaning/meanings with is a【Summary 课堂小结】What you have learned about the tenses?
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