1、Unit2Grammar 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
2、knew that there was a dog outside,the little boy didnt open the door.=_that there was a dog outside,the little boy didnt 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）le
3、aving3.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 Envir
4、onmentally.（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 walkedB.C.Walk D.Walked现在分词作状语时，注意如下三点：相当于相应的从
5、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 repaired is mine.The car which is being repaired is mine.Being
6、 repaired,the car cant be used.As/Because it is being repaired,the car cant be used.完成被动式：表示发生在谓语动作之前的被动动作，在句中多作状语，不能作定语。Having been praised a second time,Idecided to make still greater progress.Having been asked to stay,I couldntvery well leave.非谓语动词的否定式均为not+非谓语动词现在分词的否定形式not+现在分词（完成的否定式not 放在havi
7、ng之前）Not knowing how to dye the silk red,hewent to her for help.Not having heard from her son for along time,the mother worried a great deal.一些独立结构：1.Generally _(speak),we have learnt a lot in this school.2._(judge)from his appearance,he is somebody.3._(tell)you the truth,your work is terrible.speak
8、ingJudgingTo tellStory-tellingOne day _(walk)in the street,Ampere thought of a problem.He decided to work it out.But he had no paper with him.Suddenly he saw a cart in front of him.He began to work on the problem on the back of the cart._(absorb)in the problem,he didnt notice the cart moved.Then it
9、moved faster and faster._(see)that he couldnt keep up it,he stopped,_(say)to himself,“Ive never seen a _(move)”blackboard.walkingAbsorbedSeeingsayingmoving1._a reply,he decided to write a sixth letter.A.Not receiving B.Not to receive C.Not having received D.Having not received2.Alice returned from t
10、he managers office,_me that the boss wanted to see me at once.（04 全国IV）A.having told B.tells C.to tell D.telling3._ in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.A.To wait B.Have waited C.Having waited D.To have waited4.I couldnt do my homework with all that noise _.A.going on B.goes on C.went on D.to go on5.The storm left,_a lot of damage to this area.A.caused B.to have caused C.to cause D.having caused6.“You cant catch me!”Janet shouted,_away.A.run B.running C.to run D.ran
