وجه معلوم و وجه مجهول
(Active Voice and Passive Voice)
دو شکل خاص از فعلها وجود دارد که به آن voice مي گوييم :
Active voice
Passive voice
در اغلب موارد ما از active voice استفاده مي کنيم و بيانگر اين است که فاعل (subject) عملي را بر روي شيء يا مفعول (object) انجام مي دهد، به عنوان مثال :
Cat eat fish.
cat : Subject or Active object.
eat : Verb
fish : Passive object
در اينجا گربه(فاعل) عمل خوردن را بر روي ماهي (شيء) انجام مي دهد.
در Passive voice اين فاعل است که تحت تأثير شيء قرار گرفته و عمل فعل را از شيء مي گيرد. به عنوان مثال:
Fish are eaten by cats.
Fish : Subject or Active object
are : Auxiliary Verb
eaten : main verb (past participle)
by معمولا براي معرفي شيء مفعول از اين کلمه استفاده مي کنيم
cat : Passive object or Active subject
نکته : Active object شيئي است که جمله به خاطر آن ساخته مي شود.
Passive Voice:
ساختار Passive voice بسيارساده مي باشد :
Subject + Auxiliary verb (be) + main verb (past participle)
در ساختار فوق منظور از auxiliary verb همان helping verb مي باشد.
ياد آوري :
هنگامي که فعل be در غالب فعل کمکي به کار مي رود ( ميدانيد که فعل be فعل اصلي نيز مي باشد) دو هدف داريم :
1- make continuous tense
2- make the passive
فارسي :
1- کمک به فعل اصلي براي نشان دادن تداوم و پيوستگي عمل
2- کمک به فعل اصلي براي نشان دادن تأثير پذيري آن ( دريافت عمل از فعل توسط شيء براي شيءفعال)
چند مثال:
subject | auxiliary verb (to be) | main verb (past participle) | |
Water | is | drunk | by everyone. |
100 people | are | employed | by this company. |
I | am | paid | in euro. |
We | are | not paid | in dollars. |
Are | they | paid | in yen? |
چه موقع از Passive voice استفاده کنيم :
هنگامي که مي خواهيم Active object يا همان Subject را مهم جلوه دهيم.
هنگامي که Passive object را نمي شناسيم.
مثال :
subject | verb | object | |
در اينجا مي خواهيم Active Object يا President Kennedy را مهم نشان دهيم. | President Kennedy | was killed | by Lee Harvey Oswald. |
ما Passive object را نمي شناسيم. | My wallet | has been stolen. | ? |
نکته :
همانطور که گفتيم معمولا براي معرفي Passive object يا شيء مفعول از لغت by استفاده مي کنيم به جمله زير توجه کنيد:
He was killed with a gun.
چرا در اين جمله از by استفاده نکرديم؟
به اين دليل که در اينجا gun نقش Passive object يا همان Active subject را ايفا نمي کند چرا که اين تفنگ نبوده که او را کشته بلکه تفنگ توسط شخص ديگري به کاربرده شده است. در اصل مي شود :
He was killed by somebody with a gun.
Conjugation of Passive Voice – صرف Passive voice:
infinitive | to be washed | |
simple | present | It is washed. |
past | It was washed. | |
future | It will be washed. | |
conditional | It would be washed. | |
continuous | present | It is being washed. |
past | It was being washed. | |
future | It will be being washed. | |
conditional | It would be being washed. | |
perfect simple | present | It has been washed. |
past | It had been washed. | |
future | It will have been washed. | |
conditional | It would have been washed. | |
perfect continuous | present | It has been being washed. |
past | It had been being washed. | |
future | It will have been being washed. | |
conditional | It would have been being washed. |