| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is well know that [det] | 11 |
|
| 2 | is well know [that] [det] | 11 |
|
| 3 | is well known [that] [det] | 11 |
|
| 4 | is well know [that] many | 5 |
|
