| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been a [noun] on | 95 |
|
| 2 | [been] a [noun] on | 95 |
|
| 3 | [been] a [noun sg] on | 94 |
|
| 4 | [been] a [noun] on | 71 |
|
| 5 | [been] an [noun] on | 24 |
|
| 6 | [been] a attack on | 6 |
|
| 7 | [been] a attack on | 6 |
|
