| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] the [adj] | 791 |
|
| 2 | [modal v] [vb infin] the first | 277 |
|
| 3 | must [vb infin] [art] first | 18 |
|
| 4 | must [verb] the first | 12 |
|
