مجهول
از مجهول وقتی استفاده میکنیم که نمی دانیم چه کسی فعالیت را انجام داده است یا شما بیشتر علاقه مندید که در مورد فعالیت صحبت کنید تا فاعل کار و همچنین اهمیت کار بیشتر از انجام دهنده ی کار است.
مثال معلوم ساده:
Present simple
I read the newspaper everyday.
Past simple
I red the newspaper.
Future simple
I will read the newspaper.
مثال مجهول ساده:
Present simple of passive
The newspaper is read.
Past simple of passive voice
The newspaper was read.
Future simple of passive voice
The newspaper will be read.
مثال معلوم استمراری:
Present continuous
I am reading the newspaper.
Past continuous
I was reading the newspaper.
Future continuous
I will be reading the newspaper.
مثال مجهول استمراری:
Present continuous of passive voice
The newspaper is being read.
Past continuous of passive voice
The newspaper was being read.
Future continuous of passive voice
The newspaper will being read.
مثال معلوم کامل:
Present perfect
I have read the newspaper.
Past perfect
I had read the newspaper.
Future perfect
I will have read the newspaper
مثال مجهول کامل:
Present Perfect of passive voice
The newspaper has been read.
Past Perfect of passive voice
The newspaper had been read.
Future Perfect of passive voice
The newspaper will have been read.
نکته:
با توجه به مثال های بالا در میابیم که در مجهول تغییرات بر سر فعل to be می آید و قسمت سوم فعل p.p ثابت می ماند.
نکته:
از By استفاده میکنیم در مجهول برای بیان چه کسی یا چه چیزی فعالیت را انجام داده است.
مثال:
The newspaper was read by Ali.