| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [prep] a | 1105 |
|
| 2 | [be] known [prep] a | 315 |
|
| 3 | [verb] [be] known [prep] | 212 |
|
| 4 | [verb] known [prep] a | 66 |
|
