Encontre o "Present Perfect" no texto a seguir:

Bill and Melinda Gates agreed how to divide their property and assets before announcing their divorce on Monday, US media report. The billionaire couple, who have been married for 27 years, reportedly signed a separation contract outlining how their estate would be split. But they did not sign a pre-nuptial agreement before their wedding in 1994. The couple run the Bill & Melinda Gates Foundation, which has spent billions on charitable causes around the world. They have pledged to continue to work together at the foundation once their divorce is finalised.​


Resposta :

>> who have been married for 27 years <<

have been = é o que define que está no present perfect

Espero ter ajudado;