has been recurring
Presente perfecto progresivo para el sujeto he/she del verbo recur.

recur

Popularity
500+ learners.
The issue of financing for forests has been recurring and vexing for as long as CIFOR has existed and before.
El financiamiento para los bosques ha sido un tema recurrente y apremiante desde que CIFOR existe y desde antes.
Palabra del día
el abrigo