| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] must [be] for a | 5 |
|
| 2 | must [be] [verb] for a | 17 |
|
| 3 | must [be] [vb pp] for a | 14 |
|
| 4 | must [be] [adj] for a | 13 |
|
| 5 | must [be] [adj] for a | 12 |
|
