| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [prep] the time | 11 |
|
| 2 | must [verb] [prep] the time | 11 |
|
| 3 | must [verb] [prep] the time | 11 |
|
| 4 | must [verb] [prep] the time | 8 |
|
