| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [to-vb] the | 2958 |
|
| 2 | must be [vb pp] [to-vb] | 609 |
|
| 3 | must be [vb pp] the | 82 |
|
| 4 | must be [to-vb] the | 35 |
|
