| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [vb mod] of been | 20 |
|
| 2 | there [vb mod] [prep] been | 20 |
|
| 3 | there must [prep] been | 9 |
|
| 4 | there would [prep] been | 7 |
|
