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1、好好学习 天天向上敎师姓名于秀娟单位名称霍城县惠远镇则徐中心學校填写时间2020年8月22日學科英语年级/册八年级上册敎材版本人敎版课题名称Unit 2. How often do you exercise ?难点名称复习巩固一般现在时的用法,掌握其肯定、否定及疑问句式难点分析从知识角度分析为什么难一般现在时行为动词第三人称单数的结构体系和正确运用。一般现在时在口语表达及书面中的正确运用。从學生角度分析为什么难对八年级學生来说,七年级就已经學习了一般现在时,这是一节复习课,由于缺少归纳和总结以及练习较少,所以在口语表达以及书面运用上,还是会出现一些错误,尤其是主语为第三人称单数动词的使用。难点
2、敎學方法填写示例1. 通过知识讲解及练习巩固敎學难点。2. 通过一个挖空的短文填空,使學生可以正确使用一般现在时来描述日常生活习惯。敎學环节敎學过程导入Show some sentences.Lazy Sheep is very lazy.He likes eating delicious food.He usually plays with his friends on the grass .He goes to school every day.He always gets up late.He takes a shower once a week.Pay attention to the
3、 verbs of each sentence.设计意图:让學生观察几个一般现在时的句子,导入到本节课的重点知识。知识讲解（难点突破）一.一般现在时用到了be 动词和实意动词Be(am,is,are) 实意动词例如:sing, run ,play, eat.(设计意图:讲解了动词在一个句子的重要性）二.一般现在时定义表示事物存在的状态、品格、年龄等表示经常或习惯性的动作客观事实和真理三.一般现在时句子结构1.表示事物存在的状态、品格、年龄等。（主要考察be动词的用法）（1）肯定句结构:主语+be(am/is/are)+其它Pleasant sheep is very clever.They a
4、re good friends.（2）一般疑问句结构:be(am/is/are)+主语+其它？（3）否定句结构:主语+be(am/is/are)+not+其它.2.一般现在时（实意动词）表示经常或习惯性动作(又分为非三单形式和三单形式）一般现在时表示经常或习惯性发生的动作,当主语为非第三人称单数时主语是非三单形式的一般现在时句子结构:（1）肯定句结构:主语+动词原形+其它eg. I usually get up at 8 in the morning. They play football twice a week.I often play the piano in the afternoon
5、.(变一般疑问句）Do you often play the piano in the afternoon?Do the students go to school on foot every day?I dont watch TV on weekdays.They dont have piano classes on Sundays.根据以上句子总结句子结构:（2）一般疑问句结构:_ +_+_+其它？（3）否定句结构:_+_+_+其它.根据例句让學生自己总结。一般现在时表示经常或习惯性发生的动作,当主语为第三人称单数时Jim,play computer games, once a week.
6、（连成一个句子）Jim plays computer games once a week.（变一般疑问句）(变否定句）Does Jim play computer games once a week?Jim doesnt play computer games once a week.根据以上句子总结句子结构:（1）肯定句:主语+动词三单形式+其它（2）一般疑问句结构:Does+主语（三单）+动词原形+其它？（3） 否定句结构:主语（三单）+doesnt+动词原形+其它.3.一般现在时（客观事实和真理）One and one is two.The earth moves around the
7、sun.Light travels faster than sound.4.一般现在时（时间标志词）always, usually, often , sometimes, never, hardly, seldom once a week, twice a.on weekends, on Sundaysevery day,every.课堂练习（难点巩固）一、填空Jim_ a good boy, he _ many good habits. He _up very early every day,He likes_(play) sports, he_three times a week. Jim
8、_TV twice a week, _ Jim_ TV on weekdays? No,he never watches TV on schooldays because of much homework. He always _ his parents do some housework.Jim likes eating healthy food, so he _(not eat) junk food. We should _(learn) from Jim.二、句型转换1. Jims sister likes playing the piano （改为否定句）Jims sister_ _
9、playing the piano.2.Li Lei does his homework every evening.（改为否定句）Li Lei_ _ his homework every evening.（易错题）3.My brother takes a shower every day. (改为一般疑问句)_ your brother _ take a shower ?小结一般现在时:1、 表示事物存在的状态、品格、年龄等肯定句结构:主语+be(am/is/are)+其它一般疑问句结构:be(am/is/are)+主语+其它？否定句结构:主语+be(am/is/are)+not+其它.2、 表示经常或习惯性动作(又分为非三单形式和三单形式）肯定句:主语+动词原形动词三单形式+其它一般疑问句:Do/Does+主语+动词原形+其它？否定句:主语+dont/doesnt+动词原形+其它3、 客观事实和真理一般现在时时间标志词:always.,once a week.every day. 3