| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [noun pl] of | 258 |
|
| 2 | have been [noun pl] of | 129 |
|
| 3 | had been [noun pl] of | 72 |
|
| 4 | have been members of | 38 |
|
| 5 | have been [noun pl] of | 32 |
|
| 6 | have been victims of | 27 |
|
| 7 | have been reports of | 17 |
|
| 8 | have been cases of | 11 |
|
| 9 | have been signs of | 8 |
|
| 10 | to have been [noun pl] of | 8 |
|
| 11 | 've been [noun pl] of | 5 |
|
| 12 | have been studies of | 5 |
|
| 13 | 'd been [noun pl] of | 5 |
|
