Q.Identify the mood that the underlined modal auxiliary expresses. He $\underline{\text{used to}}$ swim across the river when he was young.

past habit

ability

obligation

permission

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.Identify the mood that the underlined modal auxiliary expresses. He used to‾\underline{\text{used to}}used to​ swim across the river when he was young.