| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [adj] | 29164 |
|
| 2 | must be [adj] | 4588 |
|
| 3 | must be [adv] | 1906 |
|
| 4 | must [adv] [adj] | 17 |
|
