Respuestas
1. I have not worked for my uncle. (Yo no he trabajado para mi tío).
2. She has not finished her homework. (Ella no ha terminado su tarea).
3. We have not visited them for the last year. (Nosotros no los hemos visitado durante el útlimo año).
4. It has not rained for the last month. (No ha llovido durante el último mes).
5. They have not completed the project. (Ellos no han completado el proyecto).
6. I have not cooked something special for you. (Yo no he cocinado algo especial para ti).
7. He has not finished reading my book. (Él no ha terminado de leer mi libro).
8. You have not invested in something revolutionary. (Tú no has invertido en algo revolucionario).
9. We have not looked everywhere for the keys. (Nosotros no hemos buscado en todas partes las llaves).
10. I have not watched two seasons of this T.V. show. (Yo no he visto dos temporadas de este programa de televisión).
11. He has not read the book that you gave me yesterday. (Él no ha leído el libro que me diste ayer).
12. She has not spoken with him. (Ella no ha hablado con él).
13. They have not lost my book. (Ellos no han perdido mi libro).
14. He has not forgotten what I said. (Él no ha olvidado lo que dije).
15. I have not been here before. (Yo no he estado aquí antes).
16. We have not forgiven what she did. (Nosotros no hemos perdonado lo que ella hizo).
17. My cousin not has gone to Europe to study. (Mi primo no ha ido a Europa a estudiar).
18. She has not told me what you said. (Ella no me ha dicho lo que dijiste)9.
19. She has not seen every show in the city. (Ella no ha visto cada espectáculo en la ciudad).
20. He has not given up the tournament. (Él no ha abandonado el torneo).