| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been known [prep] some | 9 |
|
| 2 | it [verb] be known for some | 9 |
|
| 3 | it have be known [prep] some | 9 |
|
| 4 | it [vb -s] be known [prep] some | 8 |
|
| 5 | it has be known [prep] some | 7 |
|
