| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] must be [verb] in | 18 |
|
| 2 | [noun prp] must be [vb pp] in | 14 |
|
| 3 | [noun prp] must be seen in | 5 |
|
| 4 | [noun prp] must be see in | 5 |
|
