L'oncle de mon frère a eu son doctorat en trois ans.

1.   ?    My uncle's brother prepared his doctor's degree in three years' time.
2.   ?    My brother's uncle got his doctor degree in three years.
3.   ?    My brother's uncle got his doctor's degree in three years' time.
4.   ?    My brother's uncle got his doctor's degree in three years time.

Le chef de ce restaurant de Londres est le mari de la tante de son maître d'hôtel.

1.   ?    This London restaurant's chef is his head waiter's husband's aunt.
2.   ?    This London restaurant's chef is his head waiter's aunt's husband.
3.   ?    This London's restaurant's chef is his head waiter's aunt's husband.
4.   ?    The chef of this London's restaurant is the husband of his head waiter's aunt.

Je suis allé chercher des croissants chez le boulanger qui était à cinq minutes à pied de chez Jimmy.

1.   ?    I went to the baker's for croissants. It was a five minutes' walk from Jimmy's
2.   ?    I went for croissants to the baker's who was a five minutes' walk from Jimmy's
3.   ?    I went to fetch croissants at the baker's shop which was five minutes on foot from where Jimmy lives.
4.   ?    I went to the baker 's, five minutes away from Jimmy's, to get some croissants.