Bonjour,
1 / I AM 11 years old . How old ARE you?
2) Who ARE they? ARE they coming,too?
3) I HAVE got a new computer game.
4) there WAS a rock concert last night.
( « last night » donc prétérit )
7)She HAS got a lot of dolls!
8)I HAD a lot of dolls , too when I was little.
( « when I was little » quand j’étais petite. Passé, il faut donc utiliser le prétérit: I HAD a lot of dolls ( J’avais beaucoup de poupées ))
9) He IS sleeping.
He WAS sleeping.
Il n’y a pas d’indicateur de temps, on peut donc mettre au temps que l’on veut ...
10) HAVE you got a brother or a sister?