| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [is] know [prep] | 112 |
|
| 2 | [prep] what [is] know [prep] | 112 |
|
| 3 | by what [is] [verb] [prep] | 21 |
|
| 4 | by what [be] know [prep] | 10 |
|
| 5 | by what [is] know [prep] | 8 |
|
| 6 | by [pron] [is] know [prep] | 8 |
|
| 7 | by what [is] know [prep] | 8 |
|
| 8 | by [Wh det] [is] know [prep] | 8 |
|
| 9 | by what [is] know [prep] | 8 |
|
