আমি present tense এর টাই বলতেছি,,,
present,
perfect :-- active ()---→ have / has + v3
perfect :-- ( passive) → have/ has + been + v3
এটাতে present form ( have / has)...
(1)A fish is going to be bought by him there.
(2)A race is being run by them.
(3)The work has been done by us
(4)A letter was written by Karim to his friend...