| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there has been [adv] [det] | 63 |
|
| 2 | [noun] has been [adv] [det] | 29 |
|
| 3 | [noun] there has been [adv] | 25 |
|
| 4 | [noun] there has been [det] | 22 |
|
