| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be known for some time that | 8 |
|
| 2 | be known [prep] some time that | 8 |
|
| 3 | be known [prep] some time that | 8 |
|
| 4 | be known for some time that | 8 |
|
| 5 | been known [prep] some time that | 8 |
|
