Sentence examples for had been watching from inspiring English sources

"had been watching" is a correct and usable part of a sentence in written English.
It is the past perfect continuous tense of the verb "watch," and it is used to indicate an action that began in the past, continued for a period of time, and was still ongoing at a specific point in the past. For example: "She had been watching the movie for two hours before she fell asleep." This sentence indicates that the action of watching the movie started in the past and continued for two hours, until the specific point when she fell asleep.