| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | policy have been [to-vb] [art] [noun] | 6 |
|
| 2 | policy have been [to-vb] [art] [noun sg] | 5 |
|
| 3 | policy have been [to-vb] the [noun] | 5 |
|
