必修5《Unit3 Life In The Future-Grammar》课件(人教版)

She sat by the window, and she was
lost in thought.
lost 表示一种迷失心理状态
Summary
1) 过去分词在句子中可以作时间状语、 原因状语、伴随状语、条件状语和
让步状语等。
2) 过去分词作状语时,过去分词的逻辑
主语与句子主语一致。
过去分词作状语:
作方式或伴随情况状语
1. The hunter left his house, followed by his dog. The hunter left his house, and he was followed by his dog.
2. She sat by the window, lost in thought.
Unit 3 Life in the future Grammar
Past participle (3)
used as Adverbial & Attribute
过去分词
过去分词是非谓语动词的一种 形式,表示完成和被动的动作。它 在句子中可以充当状语、定语等成 分。
过去分词与现在分词作状语
过去分词表完成、被动,与主句主语
the fire
Find out the sentences with same meaning.
1. As I was worried about the journey, I was unsettled for the first few days.
Worried about the journey, I was
注意：选择现在分词还是过去分词， 关键看主句的主语。如分词的动作是 主句的主语发出，分词就选用现在分 词，反之就用过去分词。
Complete each sentence using the Past Participle of the right verb.
frighten trap follow shoot
Seen under a microscope, a fresh
snowflake has a delicate six-pointed
shape.
过去分词作原因状语
1. Since/ As she was given advice by the famous detective, the young lady was no longer afraid. Given advice by the famous detective, the young lady was no longer afraid.
Given more attention, the cabbages
could have grown better.
2. If I am compared with you, we still
have a long way to go.
Compared with you, we still have a long way to go.
3) If _______ trapped in a burning building,
you should send for help.
4) Although ____in shot the leg, he
continued firing at the police.
Attention
过去分词作定语 过去分词作定语与其所修饰的词之间 存在着逻辑上的被动关系,且表示该动作 已经完成。单个的过去分词作定语,通常 置于被修饰的词的前面,而分词短语作定
Compare
1. Following the old man, we went
upstairs.—we followed
(跟着那个老人, 我们上去了)
2. Followed by the old man, we went upstairs. (we were) (被那个老人跟着, 我们上去了)
3. 从上面看,体育场好像一个鸟巢。 ____ from the top, the stadium looks like a bird nest. A. Seeing B. Seen 4. 从太空看, 宇航员看不到长城。 ____ from the space, the astronaut can not discover the Great Wall. A. Seeing B. Seen
1) Frightened _________ by noises in the night, the girl no longer dare to sleep in her room. 2) The lady returned home, ________ followed by two policemen.
过去分词作时间状语
1. When it is heated, ice will be changed into water. When heated, ice will be changed into water.
2. When it is seen under a microscope,
a fresh snowflake has a delicate sixpointed.
2. Because it was done in a hurry, his
homework was full of mistakes.
Done in a hurry, his homework was
full of mistakes.
过去分词作条件或者假设状语
1. If they had been given more attention, the cabbages could have grown better.
观察下列的句子: Once published, his works (=Once his works was published, ) became famous for the absence of rhyme at the end of each line.
PP作时间状语,相当于一个时间状语从 句有时过去分词前可加连词when或 while来强调时间概念。
2. Asked what had happened, he told us about it. →When he was asked what had happened, he told us about it. 3. Well known for his expert advice, he received many invitations to give lectures. →Because he was well known for his expert advice, he received many invitations to give lectures.
Difference between the Present Participle and the Past Participle _____for a long time, the book looks old. Used 由于用了很长时间，这本书看上去很旧. ______ Using the book, I find it useful. 在使用的过程中，我发现这本书很有用. Looking at her, he jumped with joy. ________ _______at Looked by her, he jumped with joy.
用过去分词作状语来改写句子。
1. As I was worried about the journey, I was unsettled for the first few days.
→ Worried _______________________ about the journey , I was
过去分词有两大特点： 1. 表示被动的动作；
2. 表示已经完成的动作, 因此,当过去分
词作状语的时候一定要搞清楚分词与 主语的逻辑关系－－被动, 例如:
Rewrite with proper conjunctions
Example:
1. United we stand, divided we fail. If we are united, we will stand, but if we are divided, we will fail.
unsettled for the first few days.
2. While I was confused by the new surroundings, I was hit by the lack of fresh air. Confused by the new surrounding, I was hit by the lack of fresh air. 3. As I was exhausted, I slid into bed and fell fast asleep. Exhausted, I slid into bed and fell fast asleep.
之间是被动关系 ;现在分词表进行ห้องสมุดไป่ตู้, 主动 ,
与主句主语之间是主动关系。如果一个
被动的动作发生在谓语动词之前,则可使
用现在分词的完成被动式或过去分词。
过去分词表完成、被动, 作状语时,
其逻辑主语是主句的主语, 且与主语
之间存在着被动关系。过去分词作
状语可表时间, 原因, 让步, 结果, 方
式, 条件等。
4) When he was questioned by the
police about the fire, he became tense.
→ __________________________ Questioned by the police about ______ , he became tense.