| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | known [prep] [be] [adj] | 242 |
|
| 2 | are [prep] [be] [adj] | 180 |
|
| 3 | are known [prep] [adj] | 116 |
|
| 4 | are known [prep] [be] | 100 |
|
