How to conclude about the nature of language chang

正确答案：It is generally accepted that the history of the English language is divided into three periods：Old EnglishMiddle English and Modern English．Even though this division is arbitrary and made for the sake of research convenienceit reflects one fact：all living languages change with the time． Language change is universalinevitablegradual and constant．The change is extensivecovering all aspects of the grammar． 关于英语发展史的时期划分普遍认同的一种观点是它经历了三个阶段：古英语时期、中古英语时期、现代英语时期。尽管这样分段带有随意性是为了研究便利但它反映了一个事实即所有的活的自然语言都在变化。语言变化是普遍的、必然的、渐进的和持续的。语言变化范围广涉及语法各个方面。
ItisgenerallyacceptedthatthehistoryoftheEnglishlanguageisdividedintothreeperiods：OldEnglish,MiddleEnglishandModernEnglish．Eventhoughthisdivisionisarbitraryandmadeforthesakeofresearchconvenience,itreflectsonefact：alllivinglanguageschangewiththetime．Languagechangeisuniversal,inevitable,gradualandconstant．Thechangeisextensive,coveringallaspectsofthegrammar．关于英语发展史的时期划分,普遍认同的一种观点是,它经历了三个阶段：古英语时期、中古英语时期、现代英语时期。尽管这样分段带有随意性,是为了研究便利,但它反映了一个事实,即所有的活的自然语言都在变化。语言变化是普遍的、必然的、渐进的和持续的。语言变化范围广,涉及语法各个方面。