| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] did n't [pers pn] think | 17 |
|
| 2 | why [vb past] n't [pers pn] think | 17 |
|
| 3 | [Wh adv] [vb past] n't i think | 15 |
|
