| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] [prep] some [noun sg] | 66 |
|
| 2 | has been [vb pp] [prep] some [noun pl] | 63 |
|
| 3 | has been [vb pp] in some [noun] | 42 |
|
| 4 | has been [vb pp] for some [noun] | 37 |
|
| 5 | has been [vb pp] by some [noun] | 28 |
|
| 6 | has been [vb pp] [prep] some time | 28 |
|
| 7 | has been [vb pp] [prep] some time | 27 |
|
| 8 | has been known [prep] some [noun] | 11 |
|
| 9 | has been [vb pp] at some [noun] | 10 |
|
| 10 | has been [vb pp] to some [noun] | 9 |
|
| 11 | has been [vb pp] [prep] some extent | 7 |
|
| 12 | has been [vb pp] [prep] some extent | 7 |
|
| 13 | has been [vb pp] [prep] some detail | 6 |
|
| 14 | has been used [prep] some [noun] | 6 |
|
| 15 | has been [vb pp] [prep] some detail | 6 |
|
| 16 | has been [vb pp] [prep] some studies | 6 |
|
| 17 | has been [vb pp] [prep] some year | 6 |
|
| 18 | has been [vb pp] [prep] some years | 6 |
|
| 19 | has been [vb pp] [prep] some study | 6 |
|
| 20 | has been [vb pp] [prep] some writer | 5 |
|
| 21 | has been [vb pp] [prep] some writers | 5 |
|
| 22 | has been recognised [prep] some [noun] | 5 |
|
