UnitUnit22Grammar and usage 2现在分词功 能定语表语宾语补足语状语Revision1. Seeing the teacher entering the room, the students stood up.2. Being a student, he was interested in sports.3. Having written the letter, John went to the post office.状语现在分词作状语时，注意如下三点：相当于相应的从句分词的逻辑主语就是全句的主语现在分词作状语时有不同的时态与语态Rewrite sentences1. Because he knew that there was a dog outside, the little boy didn’t open the door. = ________that there was a dog outside, the little boy didn’t open the door. （原因）Knowing2. The couple went shopping. As a result, they left their eldest daughter alone at home. =The couple went shopping, ________their eldest daughter alone at home. ( 结果）leaving3. Time permitting, I will meet you for lunch.= If time permits, I will meet you for lunch. （条件 ）4. Asking around, I find many people willingTo pay slight higher prices for things that are Environmentally.= when I ask around, I find many people willingTo pay slight higher prices for things that are Environmentally. （时间）现在分词作状语时，注意如下三点：相当于相应的从句分词的逻辑主语就是全句的主语现在分词作状语时有不同的时态与语态He traveled on the plane like this, keeping The tortoise hidden in a blanket.(keeping 的逻辑主语和句子的主语一致，都是 he)_______ through the park, beautiful flowers could be seen everywhere.A.Walking B. When I walkedC. Walk D. Walked现在分词作状语时，注意如下三点：相当于相应的从句分词的逻辑主语就是全句的主语现在分词作状语时有不同的时态与语态完成主动式1. Having finished her homework, shewent to bed.2. Having heard this, the woman astronautexpressed her satisfaction.分词所表示的动作发生在句中谓语动词所表示的动作之前，一般在句中作时间或原因状语用，不能做定语用。一般被动式表示正在发生的被动动作 , 在句中作定语或状语。The car being...
