As has already been pointed out, grammar is not a set of dead rules.

正如人们已经指出的，语法不是一成不变，墨守成规的。

youdao

Most people of the Elizabethan times did not continue beyond grammar school, so Shakespeare did have at least an average education.

伊丽莎白时代的大多数人在读完文法学校之后就没有继续读书了，所以莎士比亚确实至少受过中等教育。

youdao

Japanese grammar is not for the faint of heart or weak of mind.

虚弱点的大脑或是心脏是无法承受日语的语法的。

youdao

They say that electronic mail is often informal, and so many people do not use proper spelling or grammar.

VOA: standard.2010.01.16

(CHILDREN SOUND) The children in this classroom are not reviewing grammar.

VOA: standard.2010.04.01

Meanwhile, the title of the super PAC supporting Mr. Romney, "Restore Our Future, " seems to bend the rules of space and time, if not grammar.

WSJ: Punctuation Nerds Stopped

But on Sunday he told the AM programme the Conservatives were not attacking existing grammar schools.

BBC: NEWS | UK | UK Politics | Tories 'out of touch' on grammars

The government later made it clear this "strong presumption" would not apply to grammar schools.

BBC: NEWS | UK | Education | Plan at a glance