Sentence examples for long long time from inspiring English sources

The phrase "long long time" is grammatically correct and can be used in written English.
It is often used as an adverbial phrase to emphasize the duration of something. For example: - It took me a long long time to finish reading that book. - We've been friends for a long long time. - I haven't seen her in a long long time. In these examples, the phrase is used to emphasize the long duration of reading a book, being friends, or not seeing someone. It can also be used in other contexts to emphasize a long period of time, as in: - My grandmother used to tell me stories about her childhood a long long time ago. - The last time I visited that place was a long long time back. - I've been waiting for this opportunity for a long long time.