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月聽力原文
It's that the English grammar is really quite easy.
2015年12月四級真題（第一套）聽力 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月四級真題（第二套）聽力 Section C
英語六級真題
texting is actually a new kind of talking, with its own kind of grammar and conventions.
出自-2014年6月閱讀原文
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月六級真題（第一套）聽力 Section B
柯林斯高階英漢雙解學(xué)習(xí)詞典釋義
N-UNCOUNT
語法;文法
Grammar is the ways that words can be put together in order to make sentences.