| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't [adv] know | 1023 |
|
| 2 | do n't know i | 320 |
|
| 3 | do n't [adv] i | 23 |
|
| 4 | n't [adv] know i | 18 |
|
