| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] there have been a [noun sg] | 25 |
|
| 2 | [vb past] there had been a [noun] | 21 |
|
| 3 | [vb past] there have been a [noun] | 17 |
|
| 4 | said there have been a [noun] | 12 |
|
| 5 | [vb past] there have been an [noun] | 8 |
|
