TIP: Use “should have + past participle” to talk about something you regret not doing in the past. ❌ I should brought ✅ I should have brought Also, “I feel cold” is better here than “I’m cold,” because you’re talking about how it feels during the journey. / Why we made these changes: • “Should brought” is incorrect – should is always followed by have + past participle in the past. • “Feel cold” sounds more natural when talking about physical sensation while in a place (like on the train). • “I’ll do that tomorrow” is a correct and natural way to express a decision for the near future.