| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [to-vb] | 66978 |
|
| 2 | be thus [vb pp] | 614 |
|
| 3 | thus [vb pp] [to-vb] | 100 |
|
| 4 | be thus [to-vb] | 19 |
|
