Question

9. The past perfect continuous tense is : 1 playing tennis since 2010.
(a) have been
(b) has been
(c) had been
(d) have had been​

Answer 1

Answer:

had been

Explanation:

hope it helps u dear ☺☺☺☺☺

Answer 2

$\huge\boxed{\fcolorbox{black}{pink}{Hello\: Mate}}$

had been playing tennis since 2010....❣❣

$\huge\mathbf{\overbrace{\blue{Hope\: It \: Helps}}}$