英語(yǔ)必修五知識(shí)點(diǎn)(2)
英語(yǔ)必修五知識(shí)點(diǎn)：過(guò)去分詞
過(guò)去分詞兼有動(dòng)詞、副詞和形容詞的特征，可以帶賓語(yǔ)或受狀語(yǔ)修飾。過(guò)去分詞和賓語(yǔ)或狀語(yǔ)一起構(gòu)成過(guò)去分詞短語(yǔ)。它在句中可以作定語(yǔ)、表語(yǔ)、賓語(yǔ)補(bǔ)足語(yǔ)或狀語(yǔ)。這節(jié)課講解作定語(yǔ)、表語(yǔ)的用法。
1. 作定語(yǔ)
作定語(yǔ)的過(guò)去分詞如果是單詞，一般放在被修飾詞的前面;過(guò)去分詞短語(yǔ)作定語(yǔ)，一般放在被修飾詞的后面。例如：
There are many fallen leaves on the ground.
This is a book written by a worker.
2. 作表語(yǔ)
過(guò)去分詞作表語(yǔ),多表示主語(yǔ)所處的狀態(tài)。
I was pleased at the news.
The door remained locked.
過(guò)去分詞作表語(yǔ)，相當(dāng)于形容詞，常見(jiàn)的有：delighted, disappointed, astonished, interested, satisfied, surprised, tired, worried, excited, married 等。
過(guò)去分詞作表語(yǔ)時(shí)，應(yīng)注意與被動(dòng)結(jié)構(gòu)的區(qū)別。系表結(jié)構(gòu)說(shuō)明主語(yǔ)的狀態(tài)或具有的性質(zhì)、特點(diǎn);被動(dòng)結(jié)構(gòu)強(qiáng)調(diào)謂語(yǔ)動(dòng)作。
The small village is surrounded by trees.(狀態(tài))
The small village was soon surrounded by enemy soldiers.(動(dòng)作)
I'm interested in chess.(狀態(tài))
3. 過(guò)去分詞做狀語(yǔ)
?、俦頃r(shí)間，相當(dāng)于一個(gè)時(shí)間狀語(yǔ)從句，有時(shí)過(guò)去分詞前可加連詞 when 或 while 來(lái)強(qiáng)調(diào)時(shí)間概念。
Seen from the top of the hill, the city looked like a big garden.
Accepted by the Party, he decided to devote his life to the cause of the Party.
?、诒碓颍喈?dāng)于一個(gè)原因狀語(yǔ)從句。
Exhausted, the children fell asleep at once.
Encouraged by the speech, the young people made up their minds to take up the struggle.
③表?xiàng)l件，相當(dāng)于一個(gè)條件狀語(yǔ)從句，有時(shí)過(guò)去分詞前可用 if 等詞
Heated, water changes into steam.
Given another chance, he will do better.
?、鼙碜尣?，相當(dāng)于一個(gè)though/although引導(dǎo)的讓步狀語(yǔ)從句。
Laughed at by many people, he continued his study.
?、荼戆殡S，說(shuō)明動(dòng)作發(fā)生的背景或情況。
Surrounded by a group of pupils, the old teacher walked into the classroom.
The trainer appeared, followed by five little dogs.
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