Cinderella C1 Grammar Journey

Which sentence correctly uses a past modal to express regret?

• Cinderella could tell the prince about her true identity.
• Cinderella should have told the prince about her true identity sooner.
• Cinderella might tells the prince about her true identity.
• Cinderella must had told the prince about her true identity.

Explanation

Should have + past participle (should have told) is a common way to express regret or a missed obligation in the past.