| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] the [adj] | 791 |
|
| 2 | [vb infin] at the [adj] | 517 |
|
| 3 | must [vb infin] at the | 84 |
|
| 4 | must [vb infin] at [adj] | 35 |
|
