| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] at the [noun] | 898 |
|
| 2 | must [vb infin] [prep] the [noun] | 806 |
|
| 3 | must [vb infin] at [art] [noun] | 69 |
|
| 4 | must [verb] at the [noun] | 63 |
|
