Respuestas
Respuesta:
20.2.
3. Wrong - I finished
4. Wrong - I finished
5. Wrong - What time did you finish your work?
6. Wrong - She went out.
7. Wrong - Jim's grandmother died in 1989.
8. Wrong - Where were you last night?
20.3.
3. played
4. did you go
5. Have you ever met
6. wasn't
7. Have just washed
8. washed
9. Has visited
10. hasn't come
20.4.
1. A: Did you have
B: was
2 A: Have you seen him?
B: went
haven't seen her.
3. has worked - was - worked - didn't enjoy
4. have seen - have never spoken - Have you ever spoken - met
Explicación:
El Presente Perfecto. se utiliza para describir
se utiliza para describirUna acción o situación iniciada en el pasado y que continúa en el presente. Una acción realizada durante un periodo de tiempo aún no concluido. Una acción repetida en un periodo temporal inespecífico situado entre el pasado y el presente.
Pasado Simple. El Pasado Simple es un tiempo verbal que se utiliza para describir acciones que han sucedido en un tiempo anterior y que ya han finalizado.