If the oxygen supply in the atmosphere - not replaced by plants, it would soon be exhausted. (যদি গাছপালা বায়ুমন্ডলে অক্সিজেন সরবরাহ না করতো, তবে অচিরেই তা নিঃশেষ হয়ে যেত)
ক) is
খ) was
গ) were
ঘ) had been
বিস্তারিত ব্যাখ্যা:
if' clause এ Past Simple (were) ব্যবহৃত হয় যখন একটি অবাস্তব বা কাল্পনিক পরিস্থিতি বোঝায়।
Related Questions
ক) know
খ) had known
গ) knew
ঘ) have known
Note : I would tell' (main clause) থাকায় 'if' clause এ Past Simple 'knew' বসবে।
ক) I'll
খ) I'd
গ) I must
ঘ) I can
Note :
'If I knew the answer' (Past Simple) থাকায় main clause এ 'would + base verb' (I'd = I would) বসবে।
ক) was
খ) is
গ) were
ঘ) could be
Note :
কাল্পনিক পরিস্থিতি বোঝাতে 'if' clause এ 'were' ব্যবহৃত হয়। 'If today were Saturday' সঠিক রূপ।
ক) wouldn't told
খ) wouldn't have told
গ) wouldn't be telling
ঘ) wouldn't tell
Note : If I were you' (Past Simple) থাকায় main clause এ 'would not + base verb' (wouldn't tell) বসবে।
ক) know
খ) known
গ) knew
ঘ) had known
Note : 'It would be pleasant' সেকেন্ড কন্ডিশনালের main clause। তাই 'if' clause এ Past Simple 'knew' বসবে।
ক) If I found a bag in the street, I will take it to the police.
খ) If I found a bag in the street, I would take it to the police.
গ) If I found a bag in the street, I took it to the police.
ঘ) If I found a bag in the street, I will be taking it to the police.
Note : If' clause এ Past Simple (found) থাকলে main clause এ 'would + base verb' (would take) বসে।
জব সলুশন
