unit5The_Power_of_Nature课件26(人教版选修6).ppt

Unit 5 The power of nature Learning about language;Revising the –ing form;说出下列动词的现在分词形式： work______ sleep_____ study_____ take______ make_____ dance_____ cut ______ put _______ begin______ lie _______ tie ______ die _______;观察下列例句, 思考划线部分作用。 (1) This is an interesting book. ( ) (2) The man sitting by the window is our maths teacher. ( ) (3) Seeing the teacher entering the room, the students stood up. ( ) (4) I saw the boy walking on the street yesterday. ( ) (5) What the teacher says is very encouraging. (表语）;归纳总结： ◆现在分词是 ________________ 中的一种， 单独使用时, 能在句中做除_________ 之外的表语、定语、状语、宾补等。 ◆在形式上现在分词分为 一般式： doing 一般被动：being done 完成式 having done 完成被动式： having been done ;用法;用法;用法;用法;二、现在分词的完成式;用法;观察下列2个句子, 体会having done与 doing的不同用法: 1) Having written the letter, John went to the post office. 2) Seeing the beautiful sight, the children felt excited. 总结: ;Exercise 1: 1) ____ the child to bed, she began to correct the students’ homework. A. Sending B. Being sent C. Sent D. Having sent 2) Be careful when / while ________ (cross)the street. 3) ________________ (听到这个消息), we got excited.;举一反三 : ① ②;Exercise 2: 1) 她被蛇咬了三次后, 她看见蛇后就害怕。 __________________________________ __________________________________ ___________________________________ 2) 正在进行的那个会议非常重要。 __________________________________ __________________________________;1) ______________ him the answer several timeS, I did’t know whether he could understand. 2) _________________ the answer several times, he still couldn’t sovle the question.;1. 分词 (短语) 作状语时, 其逻辑主语 必须与句子的主语一致。如果不一致, 必须用独立主格结构来表示, 也就是在 分词前面加上它的逻辑主语。 ;Comparing all the great people with each other, you’ll find that they have much in commo