7. "I can help you." a. He says that b. He said that

Решение:

Преобразуем прямую речь в косвенную. Прямая речь содержит модальный глагол "can". Вводная конструкция "He says" – Present Simple, "He said" – Past Simple. Модальный глагол "can" при переходе в косвенную речь меняется на "could", если вводная конструкция в Past Simple.

• 7.a. He says that he can help you.
• 7.b. He said that he could help you.

Ответ:

• 7.a. He says that he can help you.
• 7.b. He said that he could help you.