| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] i [verb] | 197 |
|
| 2 | [modal v] [verb] i do | 123 |
|
| 3 | [vb mod] [verb] i do | 123 |
|
| 4 | must [verb] [pron] do | 90 |
|
| 5 | must [verb] i do | 48 |
|
