| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that i do [adv] know | 64 |
|
| 2 | that i do [not/n't] know | 63 |
|
| 3 | that i do not know | 63 |
|
| 4 | that i do n't know | 54 |
|
| 5 | that i do not know | 9 |
|
