| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [vb -s] to have been [adv] [det] | 5 |
|
| 2 | there [vb -s] [verb] been [adv] [det] | 5 |
|
| 3 | there [vb -s] [to-vb] been [adv] [det] | 5 |
|
| 4 | there [vb -s] have been [adv] [det] | 5 |
|
