| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [det] [det] | 105 |
|
| 2 | must [verb] be [det] | 100 |
|
| 3 | must [verb] [det] [det] | 20 |
|
| 4 | must be [det] [det] | 8 |
|
