| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be a [adj] | 5928 |
|
| 2 | must [verb] be [adj] | 772 |
|
| 3 | must [verb] a [adj] | 648 |
|
| 4 | must be a [adj] | 457 |
|
| 5 | must [verb] be a | 435 |
|
