| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [modal v] [verb] | 11744 |
|
| 2 | [prep] [noun] [modal v] [vb infin] | 11570 |
|
| 3 | [prep] [noun] [modal v] know | 39 |
|
| 4 | [prep] [noun] [modal v] know | 38 |
|
