| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] of | 2681 |
|
| 2 | [modal v] know [prep] | 314 |
|
| 3 | [modal v] know [prep] | 314 |
|
| 4 | [modal v] know of | 54 |
|
