The phrase "are frequently enough" is correct and usable in written English.
It can be used to indicate that something occurs with sufficient regularity or frequency.
Example: "The reports are frequently enough to keep the team informed about the project's progress."
Alternatives: "happen often enough" or "occur regularly enough".
My suggestion would be: frequently enough that we can appreciate a special sympathy for issues like early childhood education.
The stock price jolt that resulted from a portal deal announcement was frequently enough of a return to justify the cost.
Many experiences in life are common to all of us, and a word or two is frequently enough to enrich a story with a wealth of recollection; take, for instance, the words "income tax".
Therefore, their mode of action follow a dominant pattern, as one faulty copy of the gene is frequently enough to provide the required phenotype.
Since unicellular organisms lack the buffer of expression diversification, selection pressure on duplicate genes is frequently enough to eliminate one of the duplicates, especially for genes with high dosage sensitivity.
Participants had to be frequently enough at the campus, had to have enough time for the interview study, had to be interested in participating in scientific studies, had to be convinced about the importance of the CE phenomenon, had to take the risk to talk about their illegal behaviour without being punished, etc.
Instead, wards of six or eight people are common, and there are frequently not enough wash basins.
On certain shores of Lake Erie or Lake Michigan, waves are frequently big enough to wash in a kid on a boogie board.
Analysts and announcers are frequently brilliant enough in their normal lives, and often in the way they see the game (Gruden, anyone), and yet it's rare that anyone sees fit to mention a book, scientist, or painter over the course of a telecast.
