| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [pron] about the | 8 |
|
| 2 | must [verb] something about the | 7 |
|
| 3 | must [verb] something about the | 7 |
|
| 4 | must [verb] [indef pn] about the | 7 |
|
