The old man was tired of walking.' Here 'walking' is a/an-

Do you enjoy teaching? Here 'Teaching' is a/an- 'A lost opportunity never returns.' Here 'lost' is a – Which one is a verb? Education is enlightening. Here 'enlightening' is – I will not let you go.' In this sentence 'go' is a/an- The reading of history is interesting. এখানে 'reading' কী হিসেবে ব্যবহার হয়েছে? Suddenly finding himself alone, he became frightened. 'He contemplated marrying his cousin.' Here 'marrying' is a/an- Nursing is a noble profession. In this sentence 'nursing' is used as a/an _ A swimming snake bit him in the leg. Here 'swimming' is a-