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Were -ing (past continuous of be) is used to situations which were happening at a special time in the past and none hypothetical, it is more direct, not imaginative. Which of the following is correct ? Who were these buildings designed by?

Does were/was refer to these buildings or who? But i cannot rule out the possibility that indian english—and specifically indian political english—has evolved this usage of were to precisely in order to express firmness and caution. What is the difference between were and have been, and are these sentences gramatically correct? 1) some of the best known writers of detective fiction in the twentieth century were.