| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] be able | 1388 |
|
| 2 | known [prep] be [adj] | 242 |
|
| 3 | known [prep] be [adj] | 229 |
|
| 4 | [vb pp] [prep] be able | 180 |
|
| 5 | known [prep] [be] able | 8 |
|
| 6 | know [prep] be able | 8 |
|
| 7 | known [prep] be able | 8 |
|
