| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must look [prep] the [adj] | 19 |
|
| 2 | must look [prep] the [adj] | 16 |
|
| 3 | must look at the [adj] | 6 |
|
| 4 | must look at the [adj] | 6 |
|
