Question

past perfect continuous all rules​

Answer 1

Answer:

Forming the past perfect continuous

The past perfect continuous is composed of two elements - the past perfect of the verb to be (=had been) + the present participle (base+ing).

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Answer 2

Answer:

Subject + Had + been + Verb (Ist form) + Ing + Object + For/Since + Time + Remaining + (.) In Past Perfect Continuous Tense, helping verb 'Had Been' is used and 'Ing' is added with first form of Verb. For time 'Since or For' is used.

Explanation:

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