Réponse :
Bonjour,
3//
AFFIRMATION
I/you/we/they: HAVE HELPED
he/she/ it : HAS HELPED
NÉGATION
I/you/we/they: HAVEN’T HELPED
he/she/ it : HASN’T HELPED
QUESTION
I/you/we/they: HAVE + Sujet + HELPED
he/she/ it : HAS + Sujet + HELPED
4//
a) She HAS WORKED a lot to fight Talibans.
b) HAVE YOU EVER READ her blog ?
c) They HAVE received prizes for their commitment.
d) The situation HASN’T ( participe passé du verbe )
Explications :
Attention tu as fait des erreurs dans l'ex 4.
; )