| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] [verb] [prep] the | 1459 |
|
| 2 | [be] [verb] [prep] the first | 1215 |
|
| 3 | must [verb] [prep] the first | 5 |
|
| 4 | must [be] [verb] [prep] first | 5 |
|
