| Form | Example | |
|---|---|---|
| Rule | positive → negative tag · negative → positive tag | It's cold today, isn't it? ↘ |
| Tag form | auxiliary + subject pronoun | You're Mark, aren't you? ↘ |
| Special | I am → aren't I · let's → shall we | She called, didn't she? ↗ |
| Intonation | falling ↘ = expects agreement · rising ↗ = asking | You haven't met her, have you? ↗ |