| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] for a [adj] | 304 |
|
| 2 | must [be] [verb] a [adj] | 39 |
|
| 3 | must [be] [verb] for [adj] | 22 |
|
| 4 | must [be] [verb] for a | 17 |
|
| 5 | must [verb] for a [adj] | 9 |
|
