| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [prep] the | 255 |
|
| 2 | must be [prep] the | 255 |
|
| 3 | [modal v] be for the | 254 |
|
| 4 | must be for [art] | 27 |
|
| 5 | must [be] for the | 20 |
|
| 6 | must be for the | 20 |
|
