(动词-ing形式的复习).pptVIP

Grammar Revision of V–ing form (动词-ing形式的复习） 本课时重、难点 重点: ①动词-ing形式的作用 ②动词-ing形式在做状语时的作用 难点: 动词-ing形式的一般式与完成式的区别 1.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 _______ 2.动词-ing形式的作用： 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 stree yesterday. ( ) (5) Playing football is his favotire sport. ( ) (6) I didn’t stop working last night. ( ) (7) My work is teaching English. ( ) 定语 定语 状语 宾补 主语 宾语 表语 归纳总结： ◆动词-ing是____________________中的一种，单独使用时，能在句中做除______之外的任何其他句子成分。如：主语、宾语、表语、定语、状语、宾补等。 ◆在语态上，动词-ing表示_____（主动/被动的动作。在时间上，动词-ing一般表示______（正在进行/已经完成）的动作。 动词非谓语形式 谓语 主动 正在进行 3. 动词-ing形式，在做状语时的作用： (1) I stood there, taking a book in hand . ( ) (2) Knowing where I live, he never comes to see me. ( ) (3) Turning to the left, you will find the school. ( ) (4) Being tired, I stopped to take a rest. ( ) (5) Walking along the street, I met Mary.( ) 表伴随 表让步 表条件 表原因 表时间 (二）观察下列2个句子, 体会having done与doing的不同的用法 (1) Having written the letter, John went to the post office. (2) Seeing the beautiful sight, the children felt excited. 总结: ① ② V-ing doing having done 表动作有先有后 表动作同时发生 一般式 完成式 Exercise1: 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. crossing Hearing the news Exercise2: 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。 ____________________________