| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [vb pp] [to-vb] | 11442 |
|
| 2 | [modal v] thus [be] [vb pp] | 213 |
|
| 3 | thus [be] [vb pp] [to-vb] | 28 |
|
