📚 CAN • COULD • SHOULD • WOULD

🔹 CAN – Ability / Permission
👉 I can swim.

🔹 COULD – Past ability / Polite request
👉 Could you help me?

🔹 SHOULD – Advice / Suggestion
👉 You should study regularly.

🔹 WOULD – Polite request / Preference
👉 Would you like some tea?