"has perpetually" is a correct expression in written English.
It can be used to describe something that has been an ongoing and continuous state for a long period of time. Example sentence: She has perpetually been annoyed with her noisy neighbor.
"It has perpetually provided brewers with the impetus to breathe new life into Germany's beer culture".
"Why do we put up with it?" That question has perpetually perplexed the left.
Talented and popular he may be, but Gayle has perpetually courted controversy which can disrupt dressing rooms.
As software becomes more complex and its scope dramatically increases, the importance of research on developing methods for estimating software development efforts has perpetually increased.
Ever since his eye injury, a pair of wraparound sunglasses has perpetually shielded his pupils from the light.
He has perpetually vowed to retire and, before his latest appointment, bet Mr. Messina $400 that he would by the end of the year.
It would be wrong to say Blues have perpetually poor under Lee Clark.
Humans have perpetually sought new tools and insights to help them make decisions.
Who praises the delicate threads of the nose until an ever-present handkerchief teaches us that without them we have perpetually runny noses?
And if you have perpetually cold hands, as I do, spending a few minutes squashing butter doesn't seem to do the cubes any harm.
But he has also found followers outside that group by focusing on economic growth and competent public administration — things that many Indian politicians, especially in the country's governing Indian National Congress Party, have perpetually treated as challenges that can be put off for another day.
