【正确答案】如果有人不用语言作为周围世界的向导，便已经形成或能够形成他的概念，我们就可能认为，思维活动完全独立于语言之外了。

【答案解析】[结构分析] 句子的框架是We might be inclined to...if the individual formed or were able to form his concepts without...。if引导条件状语从句。介词短语without the verbal guidance of his environment作状语。be inclined to意为“易于，倾向于”；attribute to在此句中意为“认为”。