The phrase "are regularly out" is correct and usable in written English.
It can be used to describe a situation where something is frequently unavailable or not present.
Example: "The library's new books are regularly out, making it difficult for patrons to find what they want."
Alternatives: "are often unavailable" or "are frequently missing".
What kind of education will children receive if they are regularly out sick, or if the school lacks private facilities for adolescent girls going through puberty?
If you are regularly out in the heat or do vigorous exercise, wear breathable clothing.
This more "mature" market (which seems a hilarious word to use given the context of weed farming games and time-wasters for your bathroom breaks), is no longer downloading their first-ever apps onto their first-ever smartphones, which is why even apps as popular as Google Search, Pandora, WhatsApp, Pinterest or Twitter, are regularly out of the top 10 entirely, and often out of the top 20.
I'm a biker, and I'm regularly out on the road on my husband's Harley.
For the first time in his entire career Hamilton is being regularly out-performed by a team-mate.
There's one ATM which is regularly out of service and another which is only accessible when the post office is open".
They were regularly out there where services were delivered, and had the experience and wisdom to be able to judge for themselves what was and was not working well.
"I am regularly out of my comfort zone and the job is really challenging," she says, "but I love working with children and I feel I am doing something worthwhile.
Health care benefits company Cigna is another example that is regularly out there buying back shares.
Step back a few decades and workers were regularly out on strike, stock markets were crashing and the far left in British politics was agitating for a revolution.
Facebook has been looking more and more like a walled garden of late, and they are being regularly out maneuvered by competitors.
