高中英语 Unit 3 Celebration Section Ⅴ Grammar教学案 北师大版必修1-北师大版高一必修1英语教学案

Unit 3 Celebration Section Ⅴ Grammar单元语法项目(一)——被动语态(Ⅰ) 语法图解探究发现①Every year in September or October, the MidAutumn Festival is celebrated by the Chinese people all over the world.②On this day, the moon is said to be its biggest and brightest.③Traditional moon cakes are usually made with bean paste.④In one story, lanterns were lit to celebrate the power of light over darkness.⑤In another story, a town was almost destroyed but the light from many lanterns saved it.⑥He was fooled when he saw thousands of lanterns.⑦In the past, lanterns were usually lit by candles and decorated with pictures of birds, animals and flowers, etc..⑧Nowadays, most lanterns are made with light bulbs and batteries, and they come in many shapes and sizes.⑨Sweet dumplings are boiled and served in hot water.⑩In the old days, dragon boat races were organised only by Chinese people.⑪It is called zongzi, which is sticky rice in fresh bamboo leaves.[我的发现](1)例句①②③⑧⑨⑪是一般现在时的被动语态。(2)例句④⑤⑥⑦⑩是一般过去时的被动语态。一、基本知识(一)概念语态是动词的一种形式，它表示句子的主语和谓语动词之间的关系。语态通常分为主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态则表示主语是动作的承受者。(二)构成被动语态一般由“助动词 be＋及物动词的过去分词”构成。助动词 be 本身无词义，但有人称、数和时态的变化。(三)用法1．讲话者不知道动作的执行者或不必说出动作的执行者(此时可省略 by 短语)。More than fifty electric bikes were stolen in our community last night.昨晚，我们社区的五十多辆电动车被偷了。2．借助被动的动作突出动作的受动者。The bike was knocked down by a naughty boy.这辆自行车被一个调皮的小男孩撞倒了。3．为使句子更加合理、流畅。The plan was supported by those who wished to live on the campus.这个计划得到希望住校的人的支持。4．习惯用法的需要。这类词常见的有 born, d...