| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [verb] [vb pp] | 2546 |
|
| 2 | [indef pn] [modal v] [verb] [vb pp] | 754 |
|
| 3 | [indef pn] must [verb] [verb] | 138 |
|
