The passive form of 'People know that the earth is round' is -
ক) It is known that the earth is round.
খ) It is known that the earth is round.
গ) It was known that the earth was round.
ঘ) It is knew that the earth is round.
বিস্তারিত ব্যাখ্যা:
'People know that the earth is round' বাক্যটি Present Indefinite Tense এর active voice। এই ধরনের বাক্যের passive form এ "It is known that..." ব্যবহৃত হয়। "that the earth is round" অংশটি অপরিবর্তিত থাকে কারণ এটি একটি universal truth। সঠিক passive form It is known that the earth is round।
Related Questions
ক) Two criminals were punished and one released.
খ) Two criminals were punished and one was released.
গ) Two criminals were punished when one released.
ঘ) Two criminals were punished while one was released.
Note : প্রদত্ত বাক্যটি Compound sentence। এখানে দুটি subject (Two criminals and one) এবং দুটি verb (punished and released) আছে যা Past Indefinite Tense এ ব্যবহৃত হয়েছে। তাই passive form এ দুটি অংশেই 'was' ব্যবহৃত হবে। সঠিক উত্তর Two criminals were punished and one was released।
ক) It was known to me that the work was done by him.
খ) It is known to me that the work was done by him.
গ) It is known to me that the work has been done by him.
ঘ) It was known to me that the work had been done by him
Note : 'I know that he did the work' বাক্যটি Complex sentence এর active voice। "I know" এর passive হলো "It is known to me" বা "That he did the work is known to me"। এবং "that he did the work" এর passive হলো "that the work was done by him"। দুটি অংশকে একসাথে করলে It is known to me that the work was done by him।
ক) What they cost is known to Lord.
খ) What they were cost was known to Lord.
গ) What they are cost was known to Lord.
ঘ) What they cost was known to Lord.
Note : 'Lord knew what they cost' বাক্যটিতে "what they cost" একটি Noun Clause। এই ধরনের Noun Clause এর passive রূপান্তরের ক্ষেত্রে clause টিকে অপরিবর্তিত রেখে মূল verb এর passive form হয়। 'knew' (Past Indefinite) এর passive হলো 'was known to'। সুতরাং সঠিক passive form What they cost was known to Lord।
ক) Let it be done as is said by me.
খ) Let it be done as I say.
গ) It should be done as I say
ঘ) Be it done as it is said.
Note : 'Do it as I say' একটি Imperative sentence। এর passive form হলো Let + object + be + V3 + (as I say)। সুতরাং সঠিক passive form হলো Let it be done as I say।
ক) I know how he has done.
খ) I knew how he has done.
গ) I knew how he did it.
ঘ) I know how he did it.
Note : প্রদত্ত বাক্যটি Complex sentence এর passive voice। "It is known to me" অংশটি Present Indefinite এর passive এবং "how it was done by him" অংশটি Past Indefinite এর passive। তাই Active voice এ হবে "I know how he did it"।
ক) There are lots of things to done.
খ) There are lots of things to be doing.
গ) There are lots of things to be done.
ঘ) None of them.
Note : 'There is/are/was/were + something to do' এই কাঠামোর active voice এর passive form হলো 'There is/are/was/were + something to be done'। সুতরাং সঠিক passive form There are lots of things to be done।
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