| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] must be [vb pp] | 334 |
|
| 2 | [det] be [vb pp] the | 200 |
|
| 3 | [det] must be the | 119 |
|
| 4 | must be [vb pp] the | 82 |
|
