Nicaragua, along with Costa Rica, El Salvador, Guatemala, Honduras, and the Dominican Republic, signed the Central America – Dominican Republic – United States Free Trade Agreement (CAFTA-DR) in August 2004. The agreement entered into force for Nicaragua and the United States on April 1, 2006. In 2010, Central American countries, including Nicaragua, signed a trade agreement with the European Union. In 2014, a partial free trade agreement came into effect between Nicaragua and Cuba. Additionally, Nicaragua has trade agreements with Mexico, Panama, Taiwan, Chile, and the Dominican Republic.
1) Vincent y Monica están cansados.
Cansados is plural for cansado/a
4) Paloma está enamorada con su novio.
Enamorada is singular feminine
5) Los abuelos de Irene están contentos.
Contentos is plural for contento/a
Hope this helped :)