present perfect + be +ing

Sujet du devoir

Bonjour à tous, pouvez-vous m'aider pour mon exercice voilà le sujet:
Mettez le verbe à la forme correcte.
Merci d'avance.

Où j'en suis dans mon devoir

1.I have been living here ten years.

2.Martin has been studying Spanish since he was 6.

3.His father has been working in San Diego for a long time.

4.How long has he been playing golf?

5.Since when have the Stones been living in San Diego