Respuestas
1. haven't worked
2. have bought
3. haven't planned
4. have you been
5. has written
6. hasn't seen
7. have you been
8. hasn't started
9. hasn't had
Respuesta:
Complete with Present Perfect.
4. I have not worked today.
5. We have bought a new lamp.
6. We have not planned our holiday yet.
7. Where have you been?
8. He has written five letters.
9. She has not seen him for a long time.
10. Have you been at school?
11. School has not started yet.
12. Has he spoken to his boss?
13. No, he has not had the time yet.
Explicación:
El presente Perfecto Afirmativo Se construye de la siguiente manera:
Sujeto + Have o Has + Verbo en participio pasado + Complemento.
El Presente Perfecto Negativo Se construye de la siguiente manera:
Sujeto + Have o Has + Not + Verbo en participio pasado + Complemento.