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