He has done it by exploring, by experimenting, by developing his own model of the grammar of language, by trying it out and seeing whether it works, by gradually changing it and refining it until it does work.
出自-2010年6月听力原文
It's that the English grammar is really quite easy.
2015年12月四级真题（第一套）听力 Section B
Spelling, grammar and punctuation should not be overlooked, and never use capitals to emphasize a word or words in an email.
2018年12月四级真题（第二套）听力 Section C
英语六级真题
texting is actually a new kind of talking, with its own kind of grammar and conventions.
出自-2014年6月阅读原文
Printing indeed played a key role in standardizing and stabilizing these languages by fixing them in print, and producing dictionaries and grammar books.
2017年12月六级真题（第一套）听力 Section B
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
语法;文法
Grammar is the ways that words can be put together in order to make sentences.