高一英语课件 B2U2 Grammar.pptx

Period 3 Discovering Useful Structure The Present Continuous Passive Voice;Play games;Someone is hunting African elephant.;They are hunting Tibetan antelopes.;We_______________(kill) for the wool beneath our stomachs. And our fur________________(use) to make sweaters for people like you.; 结构：_________________;主语 + am/is /are+ being +done … ; Am/Is /Are+主语+ being + done… ; When do we use the Present Progressive Passive Voice?;WHEN;②表示现阶段正在进行的被动动作. (说话时不一定在进行);③表示一种习惯的被动行为(always, constantly ),带有赞扬、羡慕、讨厌等感情色彩。;④与某些情态动词连用表示对正在发生的动作进行推测;现在进行时的被动语态的基本结构;Choose the suitable verb form.;Activ. 1;Change the sentence into the passive form.;The passage is about Liu Tao’s concern of the wetland in his hometown;Activ. 2;Activ. 2;Discuss in groups and prepare to give a presentation of your ideas to the class.;deer n. 鹿 ( pl. deer ) An animal with long legs, that eats grass, leaves, etc. and can run fast. There are many types of deer. ;kangaroo n. 袋鼠 ( pl. -oos ) A large Australian animal with a strong tail and back legs, that moves by jumping. The female carries its young in a pocket of skin (called a pouch ) on the front of its body.;reduce vt. 减少 To make sth less or smaller in size, quantity, price, etc.;due adj. due to adv. 由于；因为;insect n. 昆虫 ( pl. -s) Any small creature with six legs and a body divided into three parts. Insects usually also have wings. Ants , bees and flies are all insects.;neighbourhood n. 临近的地方；街区( pl. -s) A district or an area of a town; the people who live there. The area that you are in or the area near a particular place.;Summary;Homework;像take care of, look after, talk about, think of等动词与介词构成的短语用于 现在进行时的被动语态时, 其中的介词不可省略。 The ways to stop illegally hunting are being talked about. 阻止非法捕猎的方法正在研讨中。 ;2. “be(am/is/are)+under/in+n. ”有时可相当于现在进行时的被动语态。 Many questions are under discussion. =Many questions are being discussed. 许多问题正在被讨论。;3. 有时表“状态, 心理活动, 情感”等的动词, 常用在一般 现在时的被动语态表示“正在进行”。 The runaway of the traffi