Como se pasa a negativo esta oracion paren't happy either because make - up days at the end of the year spoil their holiday plans.
En resumen
Parem't not happy either because make - not up days at the end of the year poil their holiday ´plans.
Parem't not happy either because make - not up days at the end of the year poil their holiday ´plans.
Yo creo que es la letra b He went to the alps on holiday this year however he usually prefers the beach.
Lo negativo sería The exercise is not difficult(? JAJAJA, bue : 'v En oraciones positivas las tienen que convertirlas en negativas.
Presente perfecto have being pasado perfecto had seen por que es una accion que ve antes.