جملات معلوم و مجهول
در این قسمت سعی بر آن است که با زبان ساده، در مورد جملات معلوم و مجهول صحبت کنم.
بحث معلوم و مجهول، بحث بسیار مهمی است و در آزمون ها از اهمیت وافری برخوردار است. سعی کنید در رایتینگ های خود حتما از جملات مجهول استفاده کنید.
جمله معلوم است جمله ای است که فاعل یا کننده کار در آن مشخص و ذکر شده باشد
She studies English
Mr. Williams bought a book
I have polished my shoes
جمله مجهول جمله ای است که فاعل یا کننده کار در آن – به هر دلیل – مشخص نبوده و ذکر نشده باشد
گاه کننده کار مشخص نیست و نمیدانیم چه کسی آن کار را انجام داده است
My watch is stolen.
He was killed yesterday.
گاه کننده کار را می شناسیم ولی ذکر نام وی چندان اهمیتی ندارد
The Pyramids were constructed four thousand years ago.
Eiffel Tower was built at the beginning of the twentieth century.
چگونگی تبدیل جمله معلوم به مجهول
برای تبدیل جمله معلوم به مجهول باید طبق مراحل زیر عمل کنیم
مرحله نخست: مفعول جمله ی معلوم را تشخیص دهید و آن را ابتدای جمله مجهول بنویسید
مرحله دوم: با توجه به دو عامل (مفرد بودن یا جمع بودن مفعول) و (زمان جمله معلوم) یکی از مشتقات فعل be را بنویسید. مشتقات فعل be عبارتند ازam – is – are – was – were – be – being – been
مرحله سوم: قسمت سوم فعل جمله ی معلوم را بنویسید
با توجه به آنچه در مرحله نخست باید انجام داد به دو نتیجه میرسیم: اول آنکه فقط جملاتی را میتوان به مجهول تبدیل کرد که مفعول داشته باشند، و دوم آنکه اگر جمله ای دو مفعول داشت میتوان دو جمله مجهول از آن ساخت
شد. نیروگاه بزرگ شهید رجایی بهره برداری گردید. در توفان کاترینا دهها نفر کشته و مجروح شدند
در اینجا چند نمونه از چگونگی تبدیل جملات معلوم به مجهول در قالب زمانهای گوناگون نشان داده میشود
زمان حال ساده
She studies English
English is studied
He writes his homework carefully
His homework is written carefully
They watch TV every night
TV is watched every night
توجه: در شکل مجهول جملات زمان حال ساده از am – is – are استفاده می شود
چند تمرین
John speaks English well. English is spoken well
We write many letters. Many letters are written
The students write many exercises every day. Many exercises are written everyday
John always opens the windows. The windows are always opened
He smokes many cigarettes. Many cigarettes are smoked
زمان گذشته ساده
Mr. Williams bought a book
A book was bought
He took some photos last night
Some photos were taken last night
They ate their lunches in the restaurant
Their lunches were eaten in the restaurant
توجه: در شکل مجهول جملات زمان گذشته ساده ازwas - were استفاده می شود
چند تمرین
I read the newspaper yesterday. The newspaper was read yesterday
We ate our lunches in the cafeteria. Our lunches were eaten in the cafeteria
I played tennis last Friday. Tennis was played last Friday
Helen worked on the project very hard. The project was worked on very hard
She did her exercises. Her exercises were done
زمان حال استمراری
She is studying English now
English is being studied now
He is writing his homework carefully now
His homework is being written carefully now
They are watching TV now
TV is being watched now
توجه: در شکل مجهول جملات زمان حال استمراری از am – is – are بهمراه beingاستفاده می شود
چند تمرین
John is speaking English well. English is being spoken well.
We are writing many letters. Many letters are being written
The students are writing many exercises. Many exercises are being written
John is opening the windows. The windows are being opened
He is smoking many cigarettes. Many cigarettes are being smoked
زمان گذشته استمراری
Mr. Williams was buying a book
A book was being bought
He was taking some photos last night
Some photos were being taken last night
They were eating their lunches in the restaurant
Their lunches were being eaten in the restaurant
توجه: در شکل مجهول جملات زمان گذشته استمراری ازwas - were بهمراه being استفاده می شود
چند تمرین
I was reading the newspaper yesterday. The newspaper was being read yesterday We were eating our lunches in the cafeteria. Our lunches were being eaten in the cafeteria
I was playing tennis last Friday. Tennis was being played last Friday
Helen was working on the project very hard. The project was being worked on very hard
She was doing her exercises. Her exercises were being done
زمان حال کامل یا ماضی نقلی
I have polished my shoes
My shoes have been polished
He has finished the project
The project has been finished
BP has worked on oil leak problem for two months
Oil leak problem has been worked on for two months
توجه: در شکل مجهول جملات زمان حال کامل، پس از have و has، از been استفاده می شود
چند تمرین
He has spoken to me. I have been spoken
They have finished their dinners. Their dinners have been finished
I have heard her song. Her song has been heard
We have learned many new words. Many new words have been learned
I have lost my copybook. My copybook has been lost
زمان حال کامل استمراری (ماضی نقلی استمراری) جملات در قالب این زمان شکل مجهول ندارند
I have been polishing my shoes
He has been finishing the project
BP has been working on oil leak problem for two months
زمان گذشته کامل یا ماضی بعید
Ferdowsi had worked on Shahnameh for thirty years
Shahnameh had been worked on for thirty years
They had completed construction of two bridges two years ago
Construction of two bridges had been completed two years ago
Shakespeare had composed many sonnets
Many sonnets had been composed
توجه: در شکل مجهول جملات زمان گذشته کامل، پس از had، از been استفاده می شود
چند تمرین
He had spoken to me. I had been spoken
They had finished their dinners. Their dinners had been finished
I had heard her song. Her song had been heard
We had learned many new words. Many new words had been learned
I had lost my copybook. My copybook had been lost
زمان گذشته کامل استمراری (ماضی بعید استمراری) جملات در قالب این زمان شکل مجهول ندارند
Ferdowsi had been working on Shahnameh for thirty years
They had been completing construction of two bridges two years ago
Shakespeare had been composing many sonnets
زمان آینده ساده
I shall study my lessons tomorrow
My lessons will be studied tomorrow
She will visit Philippine and Indonesia next month
Philippine and Indonesia will be visited next month
They will argue about the issue next week
The issue will be argued next week
توجه: در شکل مجهول جملات زمان آینده ساده، پس از will یا shall، از be استفاده می شود
چند تمرین
He will study his lessons tomorrow. His lesson will be studied tomorrow
You will speak English. English will be spoken
He will bring his friend to the class. His friend will be brought to the class
She will play the violin in the concert. The violin will be played in the concert
He will write a letter to his brother. A letter will be written to his brother
زمان آینده ساده استمراری جملات در قالب این زمان شکل مجهول ندارند
I shall be studying my lessons tomorrow this time
She will be visiting Philippine and Indonesia next month this time
They will be arguing about the issue next week this time
زمان آینده کامل
I shall have studied my lessons by July
My lessons will have been studied by July
She will have visited Philippine and Indonesia by next month
Philippine and Indonesia will have been visited by next month
They will have argued about the issue by next week
The issue will have been argued by next week
توجه: در شکل مجهول جملات زمان آینده کامل، پس از have will یا shall have، از been استفاده می شود
چند تمرین
He will have studied his lessons by tomorrow. His lesson will have been studied by tomorrow
You will have spoken English by June. English will have been spoken by June
He will have brought his friend to the class. His friend will have been brought to the class
She will have played the violin in the concert. The violin will have been played in the concert
He will have written a letter to his brother. A letter will have been written to his brother
جملاتی که فعل کمکی دارند
will, would, shall, should, can, could, may, might, must, have to, has to, had to
He can lift heavy loads easily
Heavy loads can be lifted easily
We must obey the rules and laws
The rules and laws must be obeyed
The baby may damage the computer
The computer may be damaged
They have to attend the conference
The conference has to be attended
توجه: در شکل مجهول جملاتی که فعل کمکی دارند، پس از نوشتن فعل کمکی، از be استفاده می شود
چند تمرین
He can study his lessons in the class. His lessons can be studied in the class
She may work on this project. This project may be worked on
I shall bring a gift for you. A gift shall be brought for you
He might quit smoking. Smoking might be quit
We will watch the film. The film will be watched
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