| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reference [vb mod] also be [vb pp] to | 11 |
|
| 2 | reference [vb mod] also be made to | 11 |
|
| 3 | reference [vb mod] also be [vb pp] to | 10 |
|
| 4 | reference should also be [vb pp] to | 5 |
|
