.Svp vous pouvez m'aider​

Réponse :

Bonjour à toi.

1. They haven't visited London yet.

2. I just have seen beautiful birds.

3. Have you ever been to New Zealand?

4. She has never sailed on the Indian ocean.

5. Have they ever traveled to South America?

Explications :

C'est le S + have/has + V-ed

S = sujet

V = verbe