| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [pron] [det] | 173 |
|
| 2 | [modal v] [vb infin] i [det] | 141 |
|
| 3 | must [vb infin] i [adj] | 9 |
|
| 4 | must [verb] i [det] | 6 |
|
