| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] know of [pron] | 6 |
|
| 2 | [vb mod] [not/n't] know of [pron] | 6 |
|
| 3 | [modal v] [not/n't] know of [pron] | 6 |
|
| 4 | [modal v] [not/n't] know of [pos pn] | 5 |
|
| 5 | [modal v] not know of [pron] | 5 |
|
