| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] there have been [art] [adj] | 20 |
|
| 2 | [noun prp] there have been a [adj] | 19 |
|
| 3 | [noun prp] there have been a [adj] | 19 |
|
| 4 | [noun prp] there have been [art] [adj] | 17 |
|
| 5 | [noun prp] there has been [art] [adj] | 15 |
|
