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1、GrammarRevision of Ving form(动词动词-ing形式的复习）形式的复习）本课时重、难点重点:动词动词-ing形式的作用形式的作用 动词动词-ing形式在做状语时的作用形式在做状语时的作用难点难点:动词动词-ing形式的一般式与完成式的区别形式的一般式与完成式的区别1.说出下列动词的现在分词形式：说出下列动词的现在分词形式：work_ sleep_ study_take_ make_ dance_ cut _ put _ begin_lie _ tie _ die _2.动词动词-ing形式的作用：形式的作用：观察下列例句，思考划线部分作用。观察下列例句，思考划线部分作
2、用。(1)This is an interesting book.()(2)The man sitting by the window is our maths teacher.()(3)Seeing the teacher entering the room,the students stood up.()(4)I saw the boy walking on the stree yesterday.()(5)Playing football is his favotire sport.()(6)I didnt stop working last night.()(7)My work is
3、teaching English.()定语定语定语定语状语状语宾补宾补 主语主语宾语宾语表语表语归纳总结：归纳总结：动词动词-ing是是_中的一种，中的一种，单独使用时，能在句中做除单独使用时，能在句中做除_之外的任之外的任何其他句子成分。如：主语、宾语、表语、定何其他句子成分。如：主语、宾语、表语、定语、状语、宾补等。语、状语、宾补等。在语态上，动词在语态上，动词-ing表示表示_（主动（主动/被动的被动的动作。在时间上，动词动作。在时间上，动词-ing一般表示一般表示_（正在进行（正在进行/已经完成）的动作。已经完成）的动作。动词非谓语形式动词非谓语形式谓语谓语主动主动正在进行正在进行3.
4、动词动词-ing形式，在做状语时的作用形式，在做状语时的作用：(1)I stood there,taking a book in hand.()(2)Knowing where I live,he never comes to see me.()(3)Turning to the left,you will find the school.()(4)Being tired,I stopped to take a rest.()(5)Walking along the street,I met Mary.()表伴随表伴随表让步表让步表条件表条件表原因表原因表时间表时间(二）观察下列二）观察下列2
5、个句子个句子,体会体会having done与与doing的不同的用法的不同的用法(1)Having written the letter,John went to the post office.(2)Seeing the beautiful sight,the children felt excited.总结总结:V-ingdoinghaving done 表动作表动作有先有后有先有后表动作表动作同时发生同时发生一般式一般式完成式完成式Exercise1:1)._ the child to bed,she began to correct the students homework.A.S
6、ending B.Being sent C.Sent D.Having sent2).Be careful when/while _(cross)the street.3)._ (听到这个消息听到这个消息),we got excited.crossingHearing the newsExercise2:1).她被蛇咬了三次后，她看见蛇后就害怕。她被蛇咬了三次后，她看见蛇后就害怕。_,2).正在进行的那个会议非常重要。正在进行的那个会议非常重要。_she feels frightened when seeing the snake.Having been bitten by the snake
7、 for three timesThe meeting being hold now is of great importance.举一反三举一反三:V-ingdoinghaving done一般式一般式完成式完成式being donehaving been done主动主动被动被动1)_him the answer several timeS,I didt know whether he could understand.2)_the answer several times,he still couldnt sovle the question.Having toldHaving been
8、 toldExercise3:用用having been told having told填空：填空：主动主动被动被动归纳归纳主句主语为动作的主句主语为动作的发出者发出者。主句主语为动作的主句主语为动作的承受者承受者。高考链接高考链接1(2005全国全国I)The storm left,_ a lot of damage to this area.A.caused B.to have caused C.to cause D.having caused 2.(2004广东广东)_ the programme,they have to stay there for another two week
9、s.A.Not completing B.Not completed C.Not having completed D.Having not completed3._carefully,the patient left the hospital.A.Having examined B.Being examined C.Examining D Having been examined4._many times,but he still couldnt understand it.A.Having been told B.Though he had been told C.He was told
10、D.Having told课堂检测：课堂检测：将每组中的两个句子组合成一个拥有动词将每组中的两个句子组合成一个拥有动词-ing形形式的句子。式的句子。(1)Alice saw a volcano erupting in the morning.She felt excited and couldnt fall asleep at night.Having seen a volcano eruption in the morning,Alice felt excited and couldnt fall asleep at night.(2)I knew the sight is impress
11、ive on the top of the mountain.I made an effort to climb onto it.Knowing the sight was impressive on the top of the mountain,I made an effort to climb onto it.(3)The new book of the famous novelist was very boring.It didnt become popular among young people.Being very boring,the new book of the famou
12、s novelist didnt become popular among young people.(4)Jim knew he had HIV.He was absolutely anxious and frightened about it.Knowing he had HIV,Jim was absolutely anxious and frightened about it.(5)He glanced through the window.He saw a swallow trembling on the ground with a broken leg.Glancing through the window,he saw a swallow trembling on the ground with a broken leg.(6)After I got the news about the terrible typhoon,I called my father to see if everyone was OK.Having got the news about the terrible typhoon,I called my father to see if everyone was OK.