Change the sentence into present perfect-- I do the sum.
ক) I was doing the sum
খ) I have done the sum
গ) I did the sum
ঘ) The sum was done by me
Related Questions
ক) has started
খ) had started
গ) did start
ঘ) had been started
ক) I had finished the book yesterday
খ) I finished the book yesterday
গ) finish
ঘ) would finish the book yesterday.
ক) have arrived
খ) is arrived
গ) had arrived
ঘ) would arrive
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