It said the most common problems were 'writing errors', such as spelling and grammatical mistakes.

Anyone can make spelling and grammatical mistakes when writing, editing and publishing at speed.

Each of the computer personalities has a phrase list, as well as a clutch of typical grammatical mistakes and typos.

There were also two grammatical mistakes.

He makes grammatical mistakes, such as removing the ne from the ne ... pas construction.

Instead, seeing the word if he's cast the clause in a form that he believes accords with a grammatical rule.

I realised my mam had taught me something more valuable than any grammatical rule.

Does this change the grammatical rule about case of pronouns?

It's a case of hypercorrection, in which the writer has mechanically applied a purported grammatical rule where it doesn't apply.

When some grammatical rule became changed or disused, some verbs kept to the old pattern.

But whatever conventions are chosen need to have grammatical structure and agreed meanings, or communication with language becomes more difficult.

All languages and dialects exhibit a complex grammatical structure and can convey a full range of meanings.

It means that, like people, budgies use the grammatical structure of unfamiliar phrases to work out what they mean.

Due to the paucity of the available data, we know almost nothing of their grammatical structure.

Formal equivalence tends to emphasise fidelity to the lexical details and grammatical structure of the original language.