| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [vb pp] a [noun sg] | 143 |
|
| 2 | [been] [vb pp] on a [noun sg] | 128 |
|
| 3 | has [been] [vb pp] on [noun sg] | 113 |
|
| 4 | has [been] [vb pp] on a | 94 |
|
| 5 | has [vb pp] on a [noun sg] | 50 |
|
