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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

Which of the following sentence is the correct example of past perfect continuous tense?

A. The train left after we had reached the station.
B. The class was being taken then.
C. I had been reading the book before he came.
D. He was trying to leave the country forever.
সঠিক উত্তরঃ C. I had been reading the book before he came.
Explanation: RD-174; Past perfect continuous tense এর structure  sub + had + verb + ing + extension.