| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [conj] [noun] [prep] | 208 |
|
| 2 | must [vb infin] [conj] [noun] [prep] | 14 |
|
| 3 | must [verb] [conj] [noun] [prep] | 14 |
|
