| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] be [vb pp] [prep] | 3847 |
|
| 2 | [modal v] be [vb pp] [to-vb] [prep] | 1454 |
|
| 3 | which [modal v] be [vb pp] [to-vb] | 469 |
|
