| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been known for some [noun] | 20 |
|
| 2 | have been known for some [noun sg] | 16 |
|
| 3 | have been known for some time | 16 |
|
| 4 | have been known for some time | 16 |
|
| 5 | [pers pn] have been known for some | 9 |
|
| 6 | it have been known for some | 9 |
|
| 7 | it have been known for some | 9 |
|
| 8 | [pron] have been known for some | 9 |
|
| 9 | [noun] have been known for some | 7 |
|
