Presente perfecto 20 oraciones?

I have worked for my uncle.

(Yo he trabajado para mi tío)

She has finished her homework.

(Ella ha terminado su tarea)

I have to go, we have talked for more than two hours.

(Yo me tengo que ir, nosotros hemos hablado por más de dos horas)

We have visited them once a week for the last year.

(Nosotros los hemos visitado una vez por semana durante el último año)

He has returned my car at last.

(El ha regresado mi automóvil al fin)

It has rained once a week for the last month.

(Ha llovido una vez a la semana durante el último mes)

They have completed the project.

(Ellos han completado el proyecto)

I have cooked something special for you.

(Yo he cocinado algo especial para ti)

I have worked in that firm for many years.

(Yo he trabajado en esa empresa por muchos años)

We have loved each other for twenty years.

(Nosotros nos hemos amado uno al otro por veinte años).