hello, really simple questions (i hope), with the past perfect continuous form, is the "ing" always a gerund or can it be a present participle as well?
Top answer
The Past Perfect Continuous form: had + been + verb (present participle). com/tenses/past_perfect_continuous
— Anonymous
The Past Perfect Continuous form: had + been + verb (present participle).
com/tenses/past_perfect_continuous
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