| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which has be [vb pp] to | 46 |
|
| 2 | [noun] which [vb -s] been [vb pp] to | 46 |
|
| 3 | [noun sg] which [vb -s] be [vb pp] to | 43 |
|
| 4 | [noun] which [vb -s] be shown to | 5 |
|
| 5 | [noun] which [vb -s] be referred to | 5 |
|
