| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have [vb pp] [prep] the [adj] | 29 |
|
| 2 | must have [vb pp] [prep] the [adj] | 25 |
|
| 3 | must have [vb pp] in the [adj] | 10 |
|
| 4 | must have [vb pp] to the [adj] | 6 |
|
