| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] for some [noun] | 37 |
|
| 2 | has been [vb pp] for some [noun sg] | 28 |
|
| 3 | has been [vb pp] for some time | 25 |
|
| 4 | has been [vb pp] for some time | 25 |
|
| 5 | has been known for some [noun] | 11 |
|
| 6 | has been [vb pp] for some [noun pl] | 9 |
|
| 7 | has been [vb pp] for some year | 6 |
|
| 8 | has been [vb pp] for some years | 6 |
|
| 9 | has been recognised for some [noun] | 5 |
|
