| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] they [adv] | 3672 |
|
| 2 | [vb past] n't [adv] | 3147 |
|
| 3 | [vb past] n't they | 538 |
|
| 4 | n't they [adv] | 104 |
|
