| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been [art] | 3939 |
|
| 2 | [vb past] there have been | 140 |
|
| 3 | [vb past] have been [art] | 59 |
|
| 4 | [vb past] there been [art] | 36 |
|
