Réponse :
4- John has already been to New York and so has Mary.
5- John went to France last year, and so has Mary.
6- Mary didn't go to school yesterday and neither has John.
7- John hasn't got a pet and neither does Mary.
8- Mary doesn't like chocolate and neither does John.
9- Mary won't move to Boston next year and neither will John.
10- Mary isn't watching TV now and neither is John.
Explications :
