| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] [pers pn] [adv] | 70 |
|
| 2 | [vb past] [pers pn] [adv] think | 60 |
|
| 3 | why [vb past] [pers pn] think | 22 |
|
| 4 | why [pers pn] [adv] think | 9 |
|
