【正文】
ctures have been announced by the lecture mittee. 演講委員會已宣布了這些講演的題目。s wedding [font id=Mark style=COLOR: blue。但是任何看到槍煙(槍冒的煙)的人都會知道剛才開了槍。 主動:No one has ever beaten him at tennis. 被動:He has never been beaten at tennis. 就網(wǎng)球來說還沒有人是他的對手。 主動:People have piled plastic bags full of rubbish in streets. 被動: Plastic bags full of rubbish have been piled in streets. 人們把裝滿垃圾的塑料袋子堆放在街上。 主動:They have set up a power station in their home town. 被動:A power station has been set up in their home town. 他們的家鄉(xiāng)建立了一座發(fā)電站。例:主動:We have studied English for 3 years off and on at the sparetime school. 被動:English has been studied for 3 years off and on at the sparetime school. (have隨新主語變?yōu)閔as) 我們已經(jīng)在夜校里斷斷續(xù)續(xù)地學(xué)了三年英語了。 完成時態(tài)have done,被動將been加中間。The information is urgently needed. 急需這個資料。Families were often broken up。He was thought to be clever but dishonest. 他被認(rèn)為很聰明但不誠實(shí)。Volcanoes are described as active, dormant or extinct. 火山被描述為活的,沉睡著的,或者死的。A note was passed up to the speaker. 有人給講演者遞上來一張紙條。There was a serious train accident near the border. Two people were killed and twelve were injured.邊境發(fā)生嚴(yán)重列車事故,二人死亡,十二人受傷。 以上兩例都是一般時態(tài)用be done的例子,be有人稱、時、數(shù)變,第三人稱foreign friends是復(fù)數(shù),時態(tài)一般過去時,所以be done就是were given,而People regard him as brilliant一句,被動后的be done就變成單數(shù)第三人稱is regarded的形式了。 一般現(xiàn)、過用be done, be有人稱、時、數(shù)變例:主動:The children gave the foreign guests a warm wele. 被動:The foreign guests were given a warm wele by the children. 孩子們熱烈地歡迎外賓。疑問一助置主前是說有兩個助動詞的話,應(yīng)把主語放在第一助動詞之后或把第一助動詞置于主語之前。 第二句be有人稱、時、數(shù)變即be有人稱、時態(tài)和單、復(fù)數(shù)的變化。一般情助加be done,雙賓多將間賓變。否定助后加not,疑問一助置主前。現(xiàn)、過進(jìn)行be doing, 被動be加being done。一般將來shall (will) do,被動變do為be done。.. . . ..主動語態(tài)變被動語態(tài)記憶口訣一般情況要熟記,“be+過去分詞”常用起,過去現(xiàn)在只變be,將來時態(tài)更易記,前面用上will/would 即,情態(tài)動詞大家族,寫在其前就完畢,完成時態(tài)不難記,have/had been + 過去分詞,進(jìn)行時態(tài)要留意,be being + 過去分詞,特殊情況要心細(xì),感官、使役to 提起,一般現(xiàn)、過用be done,be有人稱、時、數(shù)變。完成時態(tài)have done,被動將been加中間。將來進(jìn)行無被動,shall (will) be doing,現(xiàn)在完成進(jìn)行同,have (has) been doing。情、助、有、是妥安排,一律隨新主語變。主語恰是疑問詞,直陳語序主在前。復(fù)合賓語賓變主,賓補(bǔ)、主補(bǔ)相應(yīng)變。情助是指情態(tài)動詞和助動詞must,may,can,shall,will等一律隨新主語(多是主動句中的賓語)來變化。下面詳細(xì)舉例說明之。 主動:People regard him as brilliant. 被動:He is regarded as brilliant by people. 人們認(rèn)為他很有才華。被動:This speech was delivered by rade Wang. (was delivered即一般過去時的被動態(tài))這篇講演是王的發(fā)言。A person who is truly honest is called a straight arrow. 直言不諱的人才是真正誠實(shí)的人。John was elected president of the class instead of Harry. 喬治被選為班長而代替了亨利。The sold