| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb mod] [verb] [prep] | 1242 |
|
| 2 | [Wh pn] [vb mod] [vb infin] [prep] | 1158 |
|
| 3 | [pron] [vb mod] know [prep] | 183 |
|
| 4 | [Wh pn] [vb mod] know [prep] | 8 |
|
| 5 | [Wh pn] [modal v] know [prep] | 7 |
|
| 6 | [Wh pn] [vb mod] know [prep] | 7 |
|
