英语必修5人教新课标UNIT1导学案PPT：第4学时.ppt

1、Great scientists第四学时Grammar过去分词作定语和表语一、学习过去分词作定语，同学们应该着重注意以下几点：1单独一个过去分词作定语一般放在所修饰的名词之前，如：polluted water,broken vase,the affected personIt is an organized activity.这是一次有组织的活动。注：单个的过去分词修饰复合不定代词something，everything，anything，nothing，nobody等或指示代词those时，要放在这些词的后面。(1)He is one of those kidnapped.他是那些被绑架的人

2、之一。(2)There was nobody invited here.这儿没有人被邀请。(3)Theres almost nothing changed since I left the village two years ago.自我两年前离开以来，这个村几乎没有什么变化。2过去分词短语通常放在被修饰的名词之后。(1)But he became inspired when he thought about helping ordinary people exposed to cholera.但是他一想到要帮助那些霍乱病患者时，就变得很振奋。(2)The boy named Tom is m

3、y brother.那个名叫汤姆的男孩是我弟弟。3过去分词作定语与定语从句的关系。(1)及物动词的过去分词表示已完成的动作，且含有被动意义，可转换为谓语动词为被动形式的定语从句。如：A letter posted today will reach him the day after tomorrow.(A letter which/that was posted today will reach him the day after tomorrow.)今天寄出的信他后天就能收到。(2)部分不及物动词的过去分词只表示动作已完成，不含有被动意义，可转换为谓语动词为完成时态的定语从句。如：He is

4、 a retired worker.(He is a worker who has retired.)他是一个退休工人。We saw the risen sun,full of hope.(We saw the sun which/that had risen,full of hope.)我们看着已升起的太阳，心中充满了希望。a returned sailor a sailor who has returned 退役士兵developed countriescountries which have developed 发达国家You can see many fallen leaves on

5、the ground.你可以看到地上有很多落叶。We cant drink boiling water,but we can drink boiled water.我们不能喝正开的水，但可以喝开水。二、过去分词作表语 过去分词作表语，表示主语的性质、特征或状态。用作表语的过去分词，被动意味很弱，主要表示动作的完成或主语的状态。此时的过去分词相当于一个形容词，其后常不跟by短语。The book is broken.那书破了。The house is crowded.这房子很拥挤。All the mountains are covered with snow.群山被积雪覆盖。表示感觉的一些过去分

6、词(disappointed，excited，surprised，pleased等)及其他一些过去分词(lost，known，married，bent，dressed，drunk，devoted，recovered，separated等)常可用作表语，表示状态。其中有些只表状态，毫无被动意义。此时后面多跟at,with,in,from等介词短语。As we joined the big crowd I got separated from my friends.当我们加入人群后，我跟我的朋友们失散了。Our car got trapped in the mud.我们的车陷在泥中Later th

7、ey found that they were lost.后来他们发现迷路了。The happy time is gone forever.那快乐时光一去不复返了。一、用所给动词的适当形式填空。1The guests left the hall,leaving the dishes _(touch)Later we know that they didnt like the food _(cook)that way.2_(surprise)and happy,Tony stood up and accepted the prize.3When _(compare)different cultu

8、res,we often pay attention only to the differences without noticing the many similarities.1untouched,cooked2.Surprised 3comparing4Several new events _(add)to the program for the 2008 Beijing Olympic Games are popular in Asia.5The _(excite)people shouted at the top of their voice,but no one knew why

9、they stopped all the shouting and became_(disappoint)all at once.6No matter how frequently _(perform),the works of Beethoven still attract people all over the world.7The wild mountains _(cover)with deep snow looked charming.4.added5.excited,disappointed6performed7.covered8Five people won the“Chinas

10、Green Figure”award,a title _(give)to ordinary people for their contributions to environmental protection.9_(blame)for the breakdown of the school computer network,Alice was in low spirits.10The temple _(build)almost 2,000 years ago needs repairing.8.given9.Blamed10.built二、用过去分词形式完成下列句子。1我们要去看那座建于几百年

11、前的桥。Well go to visit the bridge_.2你为什么总是看上去很疲劳？这些日子睡得好吗？Why do you always_?Do you sleep well these days?1built hundreds of years ago2.look so tired3我对昨晚看的电影很失望。我原以为它能好些。I _ the film I saw last night，I had expected it to be better.4听说那位明星死了，人人都很惊讶。Everybody _to hear the death of the famous film star.

12、5要去动物园了，孩子们非常兴奋。The children _going to the zoo.3was disappointed with4.was shocked5are really excited about6他的伤口感染了一种新病毒。His wound _ a new virus.7我多懊悔在树林浪费的时光啊！How I regretted the hours_!8我喜欢穿这种布料做的衣服。I like wearing clothes_.6.became infected with7wasted in the woods8.made of this kind of cloth9鲁迅写的

13、书很受欢迎。The books _.10丢了钱他自责不已。He _about losing the money.9written by Lu Xun are popular10.got blamed三、语法填空(1)_(affect)by the lightning,the electricity system in our school hall was out of order and the ball(2)_(hold)by the Students Union had to stop.For the sake of safety,students were told to remain

14、(3)_(seat),for workers would soon have the(4)_(damage)system(5)_(fix)1Affected2.being held/held3.seated4.damaged 5fixedAfter a while,everything was OK and the students continued singing and dancing.When(6)_(ask)to dance,Mary felt(7)_(embarrass)and she stood there,(8)_(root)to the spot.All the audience began to clap to encourage her.Greatly(9)_(inspire)by their encouragement,Mary began to dance to the music(10)_(play)by the band.Never in her life had she danced so beautifully!6.asked7.embarrassed8.rooted9inspired10.played祝您