Robert Horne, aged 25, from the Crownhill area, is charged with two counts of sexual assault relating to the incidents on 2 May and 5 June.
Horne is jointly charged with Gavyn Bull-Jones, aged 21, from the Stantonbury area of Milton Keynes, with attempted rape relating to the incident on 27 May.
Both Mr Horne and Mr Bull-Jones will appear at Huntingdon Crown Court on Wednesday (8/7)
