Section Ⅳ Discovering Useful Structures——动词-ing 形式(2)一、动词-ing 形式作宾语补足语动词-ing 形式作宾语补足语时,与宾语之间是主谓关系,即宾语是其逻辑上的主语。它主要用于以下两类动词后作宾语补足语。[合作探究 1]When we returned,we found a stranger standing in front of the house.我们回来的时候,发现一个陌生人站在房子前。Suddenly we heard someone knocking gently on the window.忽然我们听见有人在轻轻地敲窗户。[自主发现 1]表示感觉和心理状态的动词(词组),如 see,hear,feel,smell,watch,find,listen to,look at,notice,observe 等。[名师提醒] 在 see,hear,feel,watch 等感官动词后,既可用动词-ing 形式作宾语补足语,也可用省略 to 的不定式作宾语补足语。用动词-ing 形式时,表示动作正在进行;用省略 to 的不定式时,表示动作经过从开始到结束的全过程。I saw a boy getting on the bus.(表示动作正在进行)我看见一个男孩在上公共汽车。I saw a boy get on the bus.(表示动作完成了)我看见一个男孩上了公共汽车。[合作探究 2]We kept the fire burning all night long.我们让火整夜燃烧着。I won’t have you running about in the room.我不允许你在房间里跑来跑去。[自主发现 2]表示指使意义的使役动词,常见的有:have,let,keep,get,leave 等。[合作探究 3]I couldn’t do my homework with the noise going on.由于噪音不断,我没法做家庭作业。With so many people looking at her,she felt nervous.这么多人看着她,她感到很紧张。[自主发现 3]用于 with 复合结构中。二、动词-ing 形式作状语[合作探究]①Hearing the news,he couldn’t help laughing.=When he heard the news,he couldn’t help laughing.一听到那个消息,他禁不住大笑起来。②Not knowing her address,I had better telephone her to come over.=As I don’t know her address,I had better telephone her to come over.由于不知道她的地址,我还是打电话让她过来为好。③Working hard,you’ll surely succeed.=If you work hard,you’ll surely succeed.如果努力工作,你就一定会成功。④The child slipped and fell,hitting his head agai...