| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i do [not/n't] know it | 142 |
|
| 2 | i do not know it | 142 |
|
| 3 | i do n't know it | 129 |
|
| 4 | i do [adv] know it | 75 |
|
| 5 | i did [adv] know it | 67 |
|
| 6 | 13 |
|
