| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] to [be] [verb] | 139 |
|
| 2 | [Wh det] [modal v] to [be] [vb pp] | 137 |
|
| 3 | [pron] [modal v] to [be] known | 24 |
|
| 4 | [Wh det] [modal v] [prep] [be] known | 16 |
|
| 5 | [Wh det] [modal v] [prep] [be] known | 16 |
|
| 6 | [Wh det] [modal v] to [be] know | 16 |
|
| 7 | [Wh det] [modal v] to [be] known | 16 |
|
