| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] [verb] [prep] [art] [noun] | 186 |
|
| 2 | must [verb] [verb] [prep] [art] [noun sg] | 163 |
|
| 3 | [modal v] [verb] [verb] [prep] [art] time | 29 |
|
| 4 | must [verb] [verb] [prep] [art] time | 5 |
|
