| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [verb] they [vb infin] | 766 |
|
| 2 | [verb] n't they [vb infin] | 317 |
|
| 3 | [Wh adv] [verb] n't they | 160 |
|
| 4 | [Wh adv] [verb] n't [vb infin] | 21 |
|
