lesson 19 ——ed分詞(一)

　　內 容 提 要

　　-ED分詞即我們平常所說的動詞過去分詞。它有兩種形式：規則動詞形式和不規則動詞形式。規則動詞形式由規則動詞+-ED構成;不規則動詞有其特殊的-ED分詞。在語法功能上，它在句子中所能承擔的成分基本與-ING分詞相同，可以作表語，定語，狀語，也可以用在復合結構中，不管它作什么成分，其最基本的含義是“被動”的。-ED分詞在語法功能和意義上與-ING分詞有一定的區別。

　　第一節 -ED分詞的用法

　　一、-ED分詞作表語

　　The glass is broken. / He was amused. / She seemed quite disappointed. / He is greatly discouraged by her refusal of inviting her to the party. / The window remains locked.

　　已經形容詞化了的-ED分詞大都作表語，常見的有：accomplished， amazed， amused， astonished， broken， closed， completed， complicated， confused， crowded， deserted， devoted， disappointed， discouraged， dressed， drunk， exhausted， excited， experienced， fadded， fascinated， frightened， hurt， inexperienced， interested， known， learned， lost， married， pleased， puzzled， qualified， satisfied， surprised， tired， unprepared， unqualified， unkown， upset， worried， wounded等。

　　二、作定語的-ED分詞

　　-ED分詞可以作前置定語也可以作后置定語，作后置定語時相當于一個定語從句

　　1) Commercial banks make most of their income from interest on loans and investments in stocks and bonds.

　　[A] earn [B] earned [C] to earn[D] was earned

　　2) On his return from his college， he found the house .

　　[A] deserting[B] deserted[C] desert[D] to be deserted

　　3) The age [A] of a geological sample can be estimated [B] from the ratio of radioactive to nonradioactive carbon present [C] in the object is examined [D] .

　　三、用作狀語的-ED分詞

　　這樣的-ED分詞通常來自及物動詞。-ED分詞用作狀語時，跟-ING分詞作狀語時一樣，修飾主句的謂語動詞，意義上相當于狀語從句，表示時間，條件，原因，伴隨狀況等。-ED分詞結構作狀語，前邊往往可以加when，while，if，as if，though.這時，我們可以把-ED分詞結構理解為一個省略句，即省去了“主語和be的變化形式”。一般說來，這種結構的邏輯主語必須與主句的主語一致。

　　1. 表示時間

　　4) Inaugurated a second time on March 4， 1901， focused on domestic rather than foreign policies.

　　[A] William McKinley's new term looked forward to and

　　[B] the new term looked forward to William McKinley and

　　[C] looking forward to a new term was William McKinley

　　[D] William McKinley looked forward to a new term

　　2. 表示條件

　　5) under a microscope，a fresh snowflake has a delicate sixpointed shape.

　　[A] Seen [B] Sees [C] Seeing[D] To see

　　6) to steel，chromium(鉻) increases the metal's hardness.

　　[A] Added [B] In addition [C] Adding[D] Adds

　　7) enough food and water， they could have beaten the enemy.

　　[A] Being given[B] Given[C] Give

　　[D] To give3. 表示原因

　　8) Encouraged by his mother， .

　　[A] art was studied in Florence by John Singer Sargent

　　[B] Florence was where John Singer Sargent studied art

　　[C] the study of art in Florence by John Singer Sargent

　　[D] John Singer Sargent studied art in Florence.

　　9) by the decision， the lawyer quickly left the court room.

　　[A] Angering [B] Having angered [C] Being angry [D] Angered

　　10) Written in great haste， .

　　[A] Jim made a lot of mistakes in the report [B] there are plenty of errors in the report

　　[C] we found several mistakes in his report [D] the books is full of errors.

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