| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has been [prep] | 38 |
|
| 2 | there has been in | 13 |
|
| 3 | there has been in | 13 |
|
| 4 | there has been for | 8 |
|
| 5 | there has been for | 8 |
|
| 6 | there has been at | 6 |
|
| 7 | there has been at | 6 |
|
