| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] on [adj] [noun pl] | 64 |
|
| 2 | has [been] [vb pp] on [adj] [noun pl] | 31 |
|
| 3 | has [been] [vb pp] on [det] [noun pl] | 28 |
|
| 4 | has [been] [vb pp] on [adj] occasions | 15 |
|
| 5 | has [been] [vb pp] on several [noun pl] | 12 |
|
| 6 | has [been] [vb pp] on several [noun pl] | 12 |
|
| 7 | has [been] done on [adj] [noun pl] | 6 |
|
| 8 | has [been] [vb pp] on [adj] grounds | 5 |
|
