| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] must be [verb] | 2171 |
|
| 2 | must be [verb] to | 714 |
|
| 3 | [noun pl] must [verb] to | 111 |
|
| 4 | [noun pl] be [verb] to | 89 |
|
