has been misbehaving
Presente perfecto progresivo para el sujeto he/she del verbo misbehave.

misbehave

Popularity
500+ learners.
If you feel that someone has been misbehaving, the committee probably can't help you much.
Si considera que alguien se está comportando mal, el comité probablemente sea de poca ayuda.
Palabra del día
la lana