составить вопросительные и отрицательные предложения You understand Maths. She sends messages every day.
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Льдинкa
Отрицательное: You don't understand Maths. Вопросительное: Do you understand Maths? Отрицательное: She doesn't send messages every day. Вопросительное: Does she send messages every day?
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Вопросительное: Do you understand Maths?
Отрицательное: She doesn't send messages every day.
Вопросительное: Does she send messages every day?