| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [noun prp] [verb] [vb pp] | 2954 |
|
| 2 | [noun prp] must [verb] [vb pp] | 424 |
|
| 3 | [subord] [noun prp] must [verb] | 29 |
|
