| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [verb] for | 5594 |
|
| 2 | must [verb] [be] [verb] | 829 |
|
| 3 | must [be] [verb] for | 340 |
|
| 4 | must [verb] [verb] for | 55 |
|
| 5 | must [verb] [be] for | 14 |
|
