| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] some [noun] | 151 |
|
| 2 | has been [vb pp] [prep] some [noun] | 133 |
|
| 3 | [verb] been known [prep] some [noun] | 20 |
|
| 4 | have been known [prep] some [noun] | 20 |
|
| 5 | has been known [prep] [adj] [noun] | 20 |
|
| 6 | has been known [prep] [det] [noun] | 17 |
|
| 7 | [vb -s] been known [prep] some [noun] | 12 |
|
| 8 | has [been] known [prep] some [noun] | 11 |
|
| 9 | has been know [prep] some [noun] | 11 |
|
| 10 | has [be] known [prep] some [noun] | 11 |
|
| 11 | has been known [prep] some [noun] | 11 |
|
| 12 | has been known [prep] some [noun] | 11 |
|
| 13 | has be known [prep] some [noun] | 11 |
|
