KeerthanaPosted on (I have already send) you the mail. aI have already sent bI already sending cI had already sent dNo improvement Answer : Option AExplanation : Structure of the sentence in Present Perfect Subject + have/has + V3mathrm{V}_{3}V3 Hence, I have already sent ....... should be used here. Rate This:NaN / 5 - 1 votesAdd comment