Transform 'Mrs. Adis was sitting in the old basket armchair by the fire' into the perfect continuous tense.

A.5 Language Study.

i) Mrs. Adis was sitting in the old basket armchair by the fire.
(Choose the correct transformation of this sentence perfect continuous tense)

To transform the sentence into the perfect continuous tense, we will use the past perfect continuous tense, as the original sentence is in the past continuous tense. The structure for past perfect continuous is had + been + verb-ing.

Original sentence: "Mrs. Adis was sitting in the old basket armchair by the fire."

Transformed sentence:
Mrs. Adis had been sitting in the old basket armchair by the fire.

The correct transformation is:
Mrs. Adis had been sitting in the old basket armchair by the fire.