| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i do [not/n't] know of | 41 |
|
| 2 | i do [adv] know of | 41 |
|
| 3 | i do not know of | 41 |
|
| 4 | i do n't know of | 24 |
|
| 5 | i do not know of | 17 |
|
