| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] must have | 649 |
|
| 2 | [noun prp] [vb past] have | 53 |
|
| 3 | [vb past] must have | 16 |
|
| 4 | [noun prp] [vb past] must | 10 |
|
