| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] | 12065 |
|
| 2 | [noun sg] must be | 7091 |
|
| 3 | [noun sg] must [verb] | 6303 |
|
| 4 | [noun sg] be [verb] | 2832 |
|
