The phrase "are frequent for" is correct and usable in written English.
It can be used to indicate that something occurs often in relation to a specific subject or context.
Example: "These types of errors are frequent for new users who are unfamiliar with the software."
Alternatives: "are common for" or "occur often for".
Crises or epiphanies that turn thinking upside down (as with Augustine or Emerson) are frequent, for example; and it's striking how many of the 12 were close to rulers, from the political humiliations of Socrates and Plato, via Seneca advising Nero, to Montaigne negotiating on behalf of Henry of Navarre and Descartes agreeing to be Queen Christina of Sweden's court philosopher.
Interestingly, these invisibilities are frequent for static or sluggish stimuli and rare for transient stimuli [27], [28], supporting the notion that visual awareness is gated by transients [29].
Atx cross-reactivity scores of 4 are frequent for snake venoms in the south-east of France, where neurotoxic envenomations have been regularly reported (Supplementary Table S2, Figure 14).
Emergency calls to ambulance services are frequent for older people who have fallen, but ambulance crews often leave patients at the scene without ongoing care.
Surgery is a curative treatment for patients with locally advanced colon cancer, but recurrences are frequent for those with stage III disease.
Since deletions of single genes or different sets of genes are frequent for both ICE Hptfs3 and ICE Hptfs4 islands (Table 2), we checked whether these occur randomly or at conserved sites.
Besides, it is possible that the foil may have locally collapsed on the bulk parent wafer, that behavior being frequent for such unstable stacks.
As such, livestock quality is improving as the grass greens up; however, rainfall must be frequent for this trend to continue.
For some people, once a week is frequent, for some people once a week is infrequent.
