| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | erm [conj] i do not know | 6 |
|
| 2 | erm [conj] i do [not/n't] know | 6 |
|
| 3 | erm [conj] i do n't know | 6 |
|
| 4 | erm [coord] i do [adv] know | 6 |
|
