| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [verb] to [be] | 226 |
|
| 2 | which is [vb pp] to [be] | 190 |
|
| 3 | [pron] is known to [be] | 35 |
|
| 4 | which [be] known to [be] | 29 |
|
| 5 | which be known to [be] | 29 |
|
| 6 | which is known [prep] [be] | 13 |
|
| 7 | which [is] known to [be] | 13 |
|
| 8 | which is know to [be] | 13 |
|
| 9 | which is known [prep] [be] | 13 |
|
| 10 | which is known to [be] | 13 |
|
