| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pers pn] [adv] do n't know | 33 |
|
| 2 | but i [adv] do n't know | 23 |
|
| 3 | but [pers pn] still do n't know | 14 |
|
| 4 | but [pers pn] just do n't know | 8 |
|
| 5 | but we [adv] do n't know | 5 |
|
| 6 | but [pers pn] really do n't know | 5 |
|
