| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [conj] the | 4007 |
|
| 2 | must be [vb pp] [conj] | 1532 |
|
| 3 | must be [vb pp] the | 82 |
|
| 4 | must be [conj] the | 44 |
|
