1、To learn and practise the-ing form used as subject.Have you ever seen these signs?the ing formIdentify the function of the-ing form in the sentence below.Getting here is quite difficult.Being in such a beautiful and wild place makes me feel blessed to be alive.动词不能作主语，V-ing形式可以做主语，形式可以做主语，谓语动词用单数单数。
2、1.动词-ing形式作主语，多表示习惯性、经常性的行为动作习惯性、经常性的行为动作，谓语动词用单数谓语动词用单数。动词动词-ing形式作主语形式作主语例句例句1：阅读是她的兴趣。：阅读是她的兴趣。例句例句2：参观主题公园使我开心。：参观主题公园使我开心。易错精点意义不同的两个动词两个动词-ing形式形式并列做主语时，谓语动词需要复数复数形式。Listening to the English music and watching the English films （be）good ways to learn English.动词动词-ing形式作主语形式作主语2.形式主语it代替动词-ing形
3、式作主语。例句：跟他谈没有用。Talking to him is no use.It is no use talking to him.例句1：试图逃脱是没有用的。例句2：看这部电影是值得的。例句3：玩电脑游戏是浪费时间的。例句4：和朋友一起玩耍是有趣的。动词动词-ing形式的否定形式形式的否定形式动词-ing形式的否定形式通常是在其前加not.Fill in the blanks using the-ing form of a verb from the box and state its function.One word will be used twice.Xixi National
4、Wetland Park,10 square kilometers in western Hangzhou,is the first national wetland park in China._ city life,nature,and wetlands makes the park a popular destination both for tourists and local residents.At Xixi,a boat tour,_ along paths,coveringCombiningcombine,cover,grow,take,limit,walk,experienc
5、e takingwalkingand _ local customs and traditions of the villages in this park are at the top of the list of peoples favorite activities.With trees,bushes,and colorful flowers _ along the riversides,the park shows different sides of beauty in different seasons.experiencinggrowingcombine,cover,grow,t
6、ake,limit,walk,experienceIn order to better develop as well as preserve this place,_ human impact on Xixi Wetland was considered by the park designers.All the new buildings were designed in a traditional way to fit into the natural environment.This green,watery world is home to many birds and fishes.With trees in the shallows,the wetland is a natural system for providing clean water and producing oxygen,which makes it the“green lungs of Hangzhou”.growinglimitingcombine,cover,grow,take,limit,walk,experience
