
Why English Changes “Can” to “Could” in Reported Speech — Ability, Permission, or Time Shift?
When learners study reported speech, they quickly notice a familiar transformation: can → could Example: Direct speech: She said:“I can help you.” Reported speech: She said she could help me. At first glance, this looks like another mechanical grammar rule. But the change from can to could is not simply about tense. In fact, it […]








