| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have been [noun sg] | 48 |
|
| 2 | [noun pl] have been [noun pl] | 37 |
|
| 3 | [noun pl] have been [noun prp] | 17 |
|
| 4 | [noun pl] have been part | 8 |
|
| 5 | [noun pl] have been part | 8 |
|
| 6 | years have been [noun] | 5 |
|
