| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it has been known for [adj] | 12 |
|
| 2 | [pron] has been known for [det] | 12 |
|
| 3 | [pers pn] has been known for [adj] | 12 |
|
| 4 | it has been known for [adj] | 12 |
|
| 5 | [pron] has been known for some | 7 |
|
| 6 | [pron] has been known for some | 7 |
|
| 7 | [pron] has been known for many | 5 |
|
| 8 | [pron] has been known for many | 5 |
|
