Question

Fill n the blanks using verbs in given brackets in the past perfect continous tense
.................................you ..................................... at the birds all this time ? (look)​

Answer 1

Answer:

Had you been looking at the birds all this time?

Explanation:

Past Perfect Continuous Structure:

Sujeto + Had + Been + verb with ING + Complement

Interrogative Structure

Had + Subject + Been + Verb ing + Complement ?