What is the structure of a closed question using should?

Do/does + subject + should + main verb (e.g., “Do I should go?”)

Do/does + main verb + should + subject (e.g., “Do go should I?”)

Subject + main verb + should (e.g., “I go should?”)

Subject + should + main verb (e.g., “I should go?”)

Should + subject + main verb (e.g., “Should I go?”)