It's a beautiful day, isn't it?
Martha is angry, isn't she?
I'm late, aren't I?
You can play the violin, can't you?
You went to Costa Rica in 1990, didn't you?
I am karla = yo soy carla
are you here? = estas aqui?
be or not tu be = ser o no ser
they are fast = ellos son rapidos
she is the best student in my class= ella es la mejor estudiante en mi clase..............y es ; ORACIONES .