| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [verb] of | 815 |
|
| 2 | [modal v] [not/n't] [verb] know | 186 |
|
| 3 | [modal v] [verb] know of | 20 |
|
| 4 | [modal v] [not/n't] know of | 13 |
|
| 5 | [not/n't] [verb] know of | 7 |
|
