| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [vb pp] [verb] [prep] a | 37 |
|
| 2 | has [been] [vb pp] [verb] on [art] | 19 |
|
| 3 | has [been] [vb pp] [verb] on [art] | 19 |
|
| 4 | have [been] [vb pp] [verb] on a | 14 |
|
| 5 | [verb] [been] [vb pp] [verb] on a | 14 |
|
| 6 | [vb -s] [been] [vb pp] [verb] on a | 7 |
|
| 7 | has [been] [vb pp] [verb] on a | 6 |
|
| 8 | has [been] [verb] [verb] on a | 6 |
|
| 9 | has [be] [vb pp] [verb] on a | 6 |
|
