| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but i [verb] n't know what | 92 |
|
| 2 | but i [verb] n't know what | 92 |
|
| 3 | but i [verb] n't know what | 92 |
|
| 4 | but i do n't know what | 92 |
|
| 5 | but i [vb base] n't know what | 81 |
|
| 6 | but i do n't know what | 81 |
|
| 7 | but i [vb past] n't know what | 11 |
|
| 8 | but i did n't know what | 11 |
|
