Answer :
Answer:
past perfect progressive ;) add my psn LOL_CHRIS-- that my fortnite account if u wanna play 2k19 add this account Stickydrip- :)
Explanation:
The past perfect continuous tense (also known as the past perfect progressive tense) shows that an action that started in the past continued up until another time in the past. The past perfect continuous tense is constructed using had been + the verb's present participle
They had been fighting the forest fire for days. this is the verb form of past perfect progressive.
What is past perfect progressive with examples?
The past perfect progressive emphasizes the duration of a past action before another action happened.
What is the rule of past progressive?
Also known as past continuous tense, the past progressive is a form of the past tense where an action goes on for a period of time in the past. The past progressive is formed by using the past for of the verb 'to be' as an auxiliary verb and by adding the suffix '-ing' to the main verb.
To learn more about past perfect progressive, refer
https://brainly.com/question/2787653
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