| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] i [vb infin] | 350 |
|
| 2 | [vb mod] [vb infin] i [vb infin] | 350 |
|
| 3 | must [vb infin] i [verb] | 197 |
|
| 4 | must [vb infin] [pron] [vb infin] | 55 |
|
| 5 | must [verb] i [vb infin] | 21 |
|
| 6 | must [vb infin] i [vb infin] | 21 |
|
