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- ?Lv 78 個月前最佳解答
The auxiliary verb in the verb to be:-(am, is, are, was, were ,be, being, been)
eg:-
Be:-be in the performance of one's duty
------He has been driving
+Have, has
(1)Having driiven/ or Drove
He has driven the car;
He drove the car.
(2)perfect tense:-
eg:-He has driven the car out on the road completed(attributive only) present perfect tense, completed, qualified,=the auxiliary verb--the verb to be.as mentioned before.
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