Which of the following is an example of present perfect continuous tense?

এই টপিকের আরও কিছু প্রশ্ন:

• He ------ come tomorrow.
• Which one is the correct sentence given below-
• 'Poll took place peacefully--- the country'.
• 'তিনি কদাচিৎ মিথ্যা বলেন'- which one is the correct English translation?
• You should never look down the poor. The corrected sentence is