| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been known [prep] some [noun sg] | 16 |
|
| 2 | have been known for [det] [noun sg] | 16 |
|
| 3 | have been known [prep] [det] time | 16 |
|
| 4 | has been known [prep] [det] [noun sg] | 10 |
|
