Grammatical

Your composition is free from all grammatical mistakes.

The sentence is free from grammatical mistakes.

Jim pointed out some grammatical mistakes in my composition.

Strictly speaking, this sentence is not grammatical.

The teacher pointed out the grammatical errors made by the students.

He made a few grammatical mistakes.

He made many grammatical mistakes in his composition.

Her composition had no grammatical errors at all.

Her composition was entirely free from grammatical errors.

There are grammatical principles involved.

Your writing in English is not grammatical enough for publication, so we will hire an editor to fix it where necessary while preserving the intended meaning.

These unidiomatic utterances are easily comprehensible but are not grammatical.

The writing was measured for both grammatical complexity and accuracy factors.