动名词的主动式表示被动意义。?Your car needs filling. ?你这车要充气了。?This city deserves visiting. ?这座城市值得光顾一下。?The problem requires studying carefully .?这个问题需要认真研究。?The trees want watering .?这些树需要浇水了。Р注意:Р7Р②在(be)worth后面只能用动词-ing的主动态来表示被动意义。?His suggestion is worth considering.?The book is worth reading.Р注意Р8Р4. 作定语的用法: ?*The girl standing there is my sister .?*This is a piece of __________ (surprise) news .?* The farmers ____________ (work)? in the fields are tired .? *The problem____________ (discuss) now is very important. ? V-ing形式的被动式作定语表示和所修饰词的被动关系。РsurprisingРbeing discussedРworkingР9Р5. 作宾语补足语用法:?● I saw ing and going in ? the street .?● I heard her ___________ (sing) a ? song in her room.?● You’ll find the topic _____________ ? (discuss) everywhere now. ? v-ing做宾补和宾语之间为被动关系Рbeing discussedРsingingР10