2. Переделай эти предложения в отрицательные и вопросительные: She is happy. His computer is old. Vera is his wife. They are his sons. You are a student.

Пояснение:

Для преобразования утвердительных предложений в отрицательные и вопросительные с глаголом 'to be' (is/am/are), нужно использовать вспомогательный глагол 'to be' и частицу 'not' для отрицания, а для вопроса — вынести 'to be' в начало предложения.

Решение:

• She is happy.
  • Отрицательное: She is not (isn't) happy.
  • Вопросительное: Is she happy?
• His computer is old.
  • Отрицательное: His computer is not (isn't) old.
  • Вопросительное: Is his computer old?
• Vera is his wife.
  • Отрицательное: Vera is not (isn't) his wife.
  • Вопросительное: Is Vera his wife?
• They are his sons.
  • Отрицательное: They are not (aren't) his sons.
  • Вопросительное: Are they his sons?
• You are a student.
  • Отрицательное: You are not (aren't) a student.
  • Вопросительное: Are you a student?