| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [adv] [coord] i | 11 |
|
| 2 | n't know [adv] [coord] i | 11 |
|
| 3 | not know [adv] but i | 11 |
|
| 4 | not know [Wh adv] [coord] i | 10 |
|
| 5 | not know why [coord] i | 9 |
|
| 6 | not know why [coord] i | 9 |
|
