| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] at the [adj] | 11 |
|
| 2 | must [verb] at the [adj] | 11 |
|
| 3 | must look at the [adj] | 6 |
|
| 4 | must look at the [adj] | 6 |
|
