求翻译：到中古英语末期，英语已经确立了作为英国国语的地位。乔叟的作品证明，英语已成为一种成熟的文学语言。英语语法的简单化过程已大体完成，拼写走向固定，基本词汇也已形成。总之，现代英语的基础也已经奠定。如果说阅读中古英语以前的英语仿佛是在读另外一种语言，那么十六世纪以后的英语与当代的英语的差别也就不那么明显了。是什么意思？

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