高中英語 Unit3 Grammar課件 新人教版必修5

1、Unit 3 Life in the future Grammar,Past participle (3) used as Adverbial 現(xiàn)在分詞表進(jìn)行,主動,與主句主語之間是主動關(guān)系。如果一個被動的動作發(fā)生在謂語動詞之前,則可使用現(xiàn)在分詞的完成被動式或過去分詞。,attention,過去分詞表完成、被動, 作狀語時(shí),其邏輯主語是主句的主語, 且與主語之間存在著被動關(guān)系。過去分詞作狀語可表時(shí)間, 原因, 讓步, 結(jié)果, 方式, 條件等。,觀察下列的句子:,Once published, his works (=Once his works was published, ) became

2、famous for the absence of rhyme at the end of each line.,PP作時(shí)間狀語,相當(dāng)于一個時(shí)間狀語從句有時(shí)過去分詞前可加連詞when或while來強(qiáng)調(diào)時(shí)間概念。,過去分詞作時(shí)間狀語,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 six-pointed.

3、Seen under a microscope, a fresh snowflake has a delicate six-pointed shape.,過去分詞作原因狀語,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.,2. Because it was done in a hurry, his hom

4、ework was full of mistakes. Done in a hurry, his homework was full of mistakes.,過去分詞作條件或者假設(shè)狀語,If they had been given more attention, the cabbages could have grown better. Given more attention, the cabbages could have grown better.,2. If I am compared with you, we still have a long way to go. Compare

5、d with you, we still have a long way to go.,作方式或伴隨情況狀語,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. She sat by the window, and she was lost in thought. lost 表示一種迷失心理狀態(tài),1) 過去分詞在句子中可以作時(shí)間狀語、原因狀語、伴隨狀

6、語、條件狀語和讓步狀語等。 2) 過去分詞作狀語時(shí),過去分詞的邏輯主語與句子主語一致。,Summary,過去分詞作狀語:,過去分詞有兩大特點(diǎn)： 1. 表示被動的動作； 2. 表示已經(jīng)完成的動作, 因此,當(dāng)過去分詞作狀語的時(shí)候一定要搞清楚分詞與主語的邏輯關(guān)系被動, 例如:,Rewrite with proper conjunctions,1. United we stand, divided we fail. If we are united, we will stand, but if we are divided, we will fail.,Example:,2. Asked what h

7、ad 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.,4. Given more time, we would

8、 be able to do the work much better. If we were given more time, we would be able to do the work much better. 5. Once translated into Chinese, the book became very popular among Chinese teenagers. Once it was translated into Chinese, the book became very popular among Chinese teenagers.,6. Deeply in

9、terested in medicine, she decided to become a doctor. Because she was deeply interested in medicine, she decided to become a doctor. 7. Left alone at home, Sam did not feel afraid at all. Although he was left alone at home，Sam did not feel afraid at all.,用過去分詞作狀語來改寫句子。,As I was worried about the jou

10、rney, I was unsettled for the first few days. _ , I was unsettled for the first few days.,Worried about the journey,2. If he is given time, hell make a first-class tennis player. _ , hell make a first-class tennis player. 3) As I was confused by the new surroundings, I was hit by the lack of fresh a

11、ir. _, I was hit by the lack of fresh air.,Given time,Confused by the new surroundings,4) When he was questioned by the police about the fire, he became tense. _ _, he became tense.,Questioned by the police about the fire,Find out the sentences with same meaning.,1. As I was worried about the journe

12、y, I was unsettled for the first few days. Worried about the journey, I was 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 b

13、ed and fell fast asleep. Exhausted, I slid into bed and fell fast asleep.,1. Following the old man, we went upstairs.we followed (跟著那個老人, 我們上去了) 2. Followed by the old man, we went upstairs. (we were) (被那個老人跟著, 我們上去了),Compare,3. 從上面看,體育場好像一個鳥巢。 _ from the top, the stadium looks like a bird nest. A.

14、Seeing B. Seen 4. 從太空看, 宇航員看不到長城。 _ from the space, the astronaut can not discover the Great Wall. A. Seeing B. Seen,Difference between the Present Participle and the Past Participle _for a long time, the book looks old. 由于用了很長時(shí)間，這本書看上去很舊. _ the book, I find it useful. 在使用的過程中，我發(fā)現(xiàn)這本書很有用. _ at her, h

15、e jumped with joy. _at by her, he jumped with joy.,Used,Using,Looking,Looked,注意：選擇現(xiàn)在分詞還是過去分詞，關(guān)鍵看主句的主語。如分詞的動作是主句的主語發(fā)出，分詞就選用現(xiàn)在分詞，反之就用過去分詞。,Complete each sentence using the Past Participle of the right verb.,1) _ by noises in the night, the girl no longer dare to sleep in her room. 2) The lady returned

16、 home, _ by two policemen.,frighten trap follow shoot,Frightened,followed,3) If _ in a burning building, you should send for help. 4) Although _in the leg, he continued firing at the police.,trapped,shot,過去分詞作定語 過去分詞作定語與其所修飾的詞之間存在著邏輯上的被動關(guān)系,且表示該動作已經(jīng)完成。單個的過去分詞作定語,通常置于被修飾的詞的前面,而分詞短語作定語,則須置于被修飾詞的后面。,1.

17、Last Sunday we went on an organized trip to the forest. 上星期我們組織了一次去森林的旅行。 2. A letter posted today will reach him the day after tomorrow. 今天發(fā)出的信后天就能收到。,分詞作定語可以轉(zhuǎn)換成定語從句: He worked as a worker building roads. (主動) = He worked as a worker who/ that built roads. This is a picture painted by my father. (被

18、動) = This is a picture which was painted by my father.,I know the young man sleeping on the bench. (在進(jìn)行) = I know the young man who is sleeping on the bench. The letter mailed last night will reach him tomorrow. (已完成) = The letter which was mailed last night will reach him tomorrow.,過去分詞短語有時(shí)亦可用作非限制性

19、定語，前后常有逗號。 Some of them, born and brought up in country villages, had never seen a train. 他們當(dāng)中有一些人, 生長在農(nóng)村，從未見過火車。,過去分詞作定語有前置和后置兩種情況:,單個的過去分詞作定語, 通常放在被修飾的名詞之前, 表示被動和完成意義。,1.前置定語,被動意義：,an honored guest,一位受尊敬的客人,(受傷的工人)are now being taken good care of in the hospital.,B.完成意義,a retired teacher,一位退休的教師,T

20、hey are cleaning (落葉) in the yard.,The injured workers,the fallen leaves,2.后置定語,過去分詞短語作定語時(shí), 通常放在被修飾的名詞之后, 它的作用相當(dāng)于一個定語從句。,This will be the best novel of its kind ever written. =,Who were the so-called guests invited (= ) to your part last night?,that has ever been written,who had been invited,如果被修飾的詞

21、是由every/some/any/no + thing/body/one所構(gòu)成的復(fù)合代詞或指示代詞those等時(shí)，即使一個單一的分詞作形容詞用，也要放在被修飾詞的后面。 例如： Is there anything unsolved? There is noting changed here since I left this town.,注意:,1. The Olympic Games, _ in 776 B. C., didnt include women until 1912. A. first playing B. to be first played C. first played D

22、. to be playing,考點(diǎn)點(diǎn)撥,簡析: 首先,根據(jù)語法分析可知,待選部分是一個作定語、修飾 The Olympic Games的后置分詞短語;再根據(jù) The Olympic Games 對于動詞 play 來說只能是被動承受,且已完成 (in 776 B. C.)。因此,該題應(yīng)選C。,2. Whats the language _ in Germany? A. speaking B. spoken C. be spoken D. to speak 簡析: 該題應(yīng)選B。測試過去分詞作后置定語表達(dá)被動,等于定語從句 which is spoken。,3. Most of the arti

23、sts _ to the party were from South Africa. A. invited B. to invite C. being invited D. had been invited 簡析: 該題應(yīng)選A。測試過去分詞作后置定語表達(dá)被動, 等于定語從句who were invited。,4. The computer centre, _ last year, is very popular among the students in this school. A. open B. opening C. having opened D. opened 簡析: 該題應(yīng)選D。測

24、試過去分詞短語作定語放在所修飾的名詞后,可以用非限制性定語從句“which was opened last year”代替。,5. The first textbooks _ 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 簡析: 該題應(yīng)選D。測試過去分詞作后置定語表達(dá)被動,等于定語從句which were written。,另外,分詞作狀語時(shí),如果其邏輯主語與整個句子的主

25、語不一致時(shí),需要獨(dú)立主格結(jié)構(gòu)或 with 復(fù)合結(jié)構(gòu)來替代。(此時(shí),也可把該分詞看成介詞的賓語補(bǔ)足語。),例: The murderer was brought in, with his hands _ behind his back. A. being tied B. having tied C. to be tied D. tied 簡析: 很顯然,待選部分的邏輯主語是 his hands,而不是句子的主語 The murderer,而 his hands 對于動詞 tie來說,只能是被動承受。因此,該題應(yīng)選D。,6. When _ if she would request a rise,

26、the actress said that money was not important. A. asked B. asking C. having asked D. being asked,7. Yesterday I saw in the newspaper a teaching post _ at a school close to my home and I wanted to apply for it. A. advertises B. advertising C. advertised D. to advertise,1. I like reading the novels _ (write ) by Zhang Ailing. 2. The girl _ (write) a letter in the study i