You speak English without mistakes.
You do not (don't) speak English without mistakes.
Do you speak English without mistakes?
Отрицательная форма предложения:
You don't speak English without mistakes.
Вопросительная форма предложения:
You speak English without mistakes.
You do not (don't) speak English without mistakes.
Do you speak English without mistakes?
Отрицательная форма предложения:
You don't speak English without mistakes.
Вопросительная форма предложения:
Do you speak English without mistakes?