| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been [noun] on | 20 |
|
| 2 | [ex0] have been [noun] on | 20 |
|
| 3 | [ex0] have been [noun pl] on | 13 |
|
| 4 | [ex0] have been [noun] on | 8 |
|
| 5 | [ex0] have been [noun sg] on | 7 |
|
| 6 | [ex0] had been [noun] on | 6 |
|
