Unit 20 humor Grammar (the -ing form) -ing 作定语(1) a swimming fish a fish that is swimminga crying boya boy who is cryingfalling leavesleaves that are fallinglaughing audiencethe audience who are laughing-ing 形式表示正在进行的,主动的动作. a swimming fish a crying boyfalling leaveslaughing audience -ing 作定语(2) 一个游泳池笑料一个阅览室手术台建筑材料一个有趣的故事一个激动人心的夜晚A swimming poolLaughing matterA reading roomBuilding materialsAn interesting storyAn exciting eveningAn operating table-ing 形式表示所修饰名词的用途或性质the man walking along the riverthe old lady talking to the children a purse lying on the ground-ing-ing 短语短语形式作定语时需形式作定语时需后置后置-ing 形式表示正在进行的,主动的动作.-ing 形式表示所修饰名词的用途或性质-ing 短语形式作定语时需后置summary-ing 作宾语补足语1.Just then, I heard someone singing in the next room.2. I saw him wandering in the street.5. He kept the water boiling.3. I found the baby crying.4. I met him walking down the street.表示一个正在进行,正在发生的动作.动词归类Hear, see, find, watch, feel, meet notice, smell 等感官动词Keep, have, leave, get 等表示“致使”意义的动词-ing 作宾补与动词原形作宾补在意义上有些不同。后者指事物的全过程,目的在于说明发生了事情;前者指正在进行继续的动作的一部分,目的在于将该动作当时进行的情景呈现于读者之前,正当于进行时态: e.g. I saw him go upstairs. I saw him going upstairs. I heard him sing a song. I heard him singing a song. 1. The ____ boy was last seen___near the East Lake.(2000Shanghai) A. missing, playing B. missing, play C. missing, played D. missed, to play 2. Do you know the boy____ under the big tree. A. lay B. lain C. laying D. lying 3. Seeing the sun___ above the surface of the sea, we let out a shout of joy. A. to rise B. to raise C....