translate English to French: In his study, Ross planned to focus on Frenchspeaking military personnel whose mother tongue (in other words, first language learned and still understood, according to the definition of mother tongue given at the 1961 Census) was French.12 This produced another figure: 15.8 per cent according to Appendix BB of the Ross Report, dated November 1966.
Dans son étude, Ross compte s’intéresser aux militaires francophones dont la langue maternelle est le français, soit la première langue apprise et encore comprise, suivant la définition donnée à la langue 219