নিচের কোনটি শুদ্ধ বাক্য?

A They are digging the canal for a week

B They had dig the canal for a week

C They dig the canal for week

D They have been digging the canal for a week

Solution

Correct Answer: Option D

কোনো কাজ অতীতের কোনো সময়ে শুরু হয়ে এখনো চলছে এরূপ বোঝালে present perfect continuous হয় (subject + have been/has been + মূল verb –এর সাথে ing + বাকি অংশ)

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