"Je ne parle pas français." And you can add "Je parle anglais.", to say you speak English.
Either Je ne parle pas français. Or Je cause pas la France. depends who you're talking to.
'Je ne parle pas francais.'
Local dialects may be spoken through the region, but French is by a large margin the main language in French Guiana, and the one used in schooling and administration.
non, je ne parle pas français
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