| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] [verb] | 82019 |
|
| 2 | i [vb mod] [verb] | 82019 |
|
| 3 | [pron] must [verb] | 20007 |
|
| 4 | i must [verb] | 3856 |
|
