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免费下载Unit1.Great scientists grammar 过去分词课件PPT

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免费下载Unit1.Great scientists grammar 过去分词课件PPT免费下载Unit1.Great scientists grammar 过去分词课件PPT
Grammar
过去分词V-ed的用法
a lighted candle
一支被点燃的蜡烛
a used stamp
一枚被用过的邮票
一个醉鬼
a drunken/ drunk man
The______ (fall) leaves are beautiful.
They were ________ (excite).
fallen
excited
The 29th Olympic Game _______(hold ) in Beijing was successful.
held
定语
表语
定语
V-ed (动词的过去分词),在句中可以作定语、表语。
注意过去分词做定语的位置
a closed door
a broken window
a polluted river
一、 过去分词作定语
1.前置定语
归纳1:
单个的过去分词作定语时,通常放在被修饰的名词_______。
之前
T
定语
Last Monday our class went on an organized trip to a forest to study the wildlife. We planned to have our picnic lunch in the forest next to a fallen tree, but the terrible smell given off by a polluted river made us feel sick. We searched the forest for the polluter, and found an unknown factory throwing waste into the river. We all think it is a serious problem and one solution suggested by all of our classmates is to close the factory as soon as possible
an organized trip
a fallen tree
a polluted river
an unknown factory
the terrible smell given off by a polluted river
one solution suggested by all of our classmates
which was given off by...
which is suggested by...
a picture painted by Leonardo da Vinci
a woman dressed in white
2. 过去分词短语作定语:通常_____, 其作用相当于定语从句。
1) It’s a picture __________ _____ painted by Leonardo da Vinci
2) There was a woman ________ ____ dressed in white
that/which was
that/who was
后置
Practice:仿写
T
The book which is written by Han Han is popular with students.
=The book written by Han Han is popular with students.
The player loved by many people is Yao Ming.

=The player who is loved by many people is Yao Ming.
→ The injured boy can not take
part in the sports meet.
All books which were borrowed from the library should be returned by Friday.
The boy who is injured can not take part in the sports meet.
→ All books borrowed from the library
should be returned by Friday.
现在分词和过去分词做定语,有何区别呢?
What’s the difference?
The water is boiling.
The dog is barking.
The injured dog is sad.
时间
语态
She’s drinking boiled water.
结论:
现在分词作定语,表示动作__________, _______意义;
过去分词作定语,表示动作在谓语之前已_______,或具有________意义. 不及物动词的过去分词作定语,只表示动作________,不表示被动意义;
及物动词的过去分词作定语,则表________ 或_____________。
正在进行
主动
被动
完成
区别
已经完成
被动意义
已完成的被动动作
位于系动词后,不表示“被动”或“完成”,而是表示主语的状态、特点或思想感情等。相当于形容词
1.They are excited.
2.He looked worried after reading the
letter.
3.When we heard of this, we were
deeply moved.
二. 过去分词作表语
系动词的分类:
“似乎类”:
“感觉类”:
“变成类”:
“仍然类”:
基本形式:
Be( am, is, are)
seem, appear, look
feel, sound, smell, taste
become, go, get, grow, fall, turn
remain, stay, keep
1.They were ________ to hear the _______ news.(delight)
2. The teacher announced the _______ news with an _______voice.(excite)
4.There was a _________ (surprise) look on his face.
5. The story was so________ (move) that he was _______ (move) to tears.
delighted
delighting
excited
exciting
归纳:
与感觉相关的及物动词,其过去分词含有被动含义,即“人被引起某种感觉”,多用来形容人、人的声音或者表情。而其现在分词表示主动意义,即“令人有某种感觉”
surprised
moving
moved
V-ing 与V-ed 作表语的区别
区别
The library is closed.
The library is closed by the teacher.
V-ed作表语表主语的状态,被动语态表示被动的动作。
“ 系动词+过去分词(系表结构)
状态(系表结构)
动作(被动语态)
区别
My glasses are broken.

My glasses were broken by my little brother.
状态
动作
be+过去分词表状态时,是系表结构,而表示动作时,是被动语态,而且动作的执行者由by引出
过去分词作表语,通常表示主语的所处的状态。
Exercise
Liu Xiang is a player ______(love) by many thousands of fans. Unluckily ,he got ______(injure) in the game,in2012 London Olympics. The __________ (surprise) news got across to the world and his fans were ____________ (disappoint) to see it,but they still wished him a happy life.
loved
injured
surprising
disappointed
1.As we joined the big crowd , I got _____ from my friends.
A. separated B. to separate C. separate D. separating
2. Cleaning women in the big cities get ____ by the hour .
A. pay B. paying C. paid D. to pay
3.Prices of daily goods _____ through a computer can be lower than store prices .
A. are bought B. bought C. been bought D. buying
4. The first text books ____ for teaching English as a foreign language came out in the 16th century .
A. Having written B. to be written C. being written D. written
5. The flowers _______ sweet in the botanic garden attract the visitors to the beauty of nature.
A. to smell B. smelling C. smelt D. to be smelt
Homework:
Sb on Page 5 Exx. 2&3
Workbook Page 6 Exx.