supongo que te refieres al present perfect de ingles...
si es asi aqui las tienes
1) Emma has not seen this film on TV.
2) When has she phoned the office?
3) Have the Millers arrived yet?
4) John has not gone on a trip through Alaska.
5) Have they ever been to New York?
6) Andy has not repaired his sister's bike.
7) What have you dropped in the kitchen?
8) I have bought a new laptop.
9) Has Toby found his blue pen?
10) The students have not forgotten their homework.
he vivido alli casi 15 años asi que se que estan bien...lo que no se si es lo que buscas..
que vaya bien