| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] i do n't know | 26 |
|
| 2 | [vb base] [adv] i do not know | 26 |
|
| 3 | do [adv] i do not know | 15 |
|
| 4 | [vb base] not i do not know | 15 |
|
| 5 | [vb base] [not/n't] i do not know | 15 |
|
| 6 | [vb base] n't i do not know | 15 |
|
| 7 | [vb base] [adv] i do not know | 8 |
|
