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(tīng)力原文
It's that the English grammar is really quite easy.
2015年12月四級(jí)真題（第一套）聽(tīng)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(jí)真題（第二套）聽(tīng)力 Section C
英語(yǔ)六級(jí)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(jí)真題（第一套）聽(tīng)力 Section B
柯林斯高階英漢雙解學(xué)習(xí)詞典釋義
N-UNCOUNT
語(yǔ)法;文法
Grammar is the ways that words can be put together in order to make sentences.