| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have see [pron] | 72 |
|
| 2 | must have [verb] i | 58 |
|
| 3 | [modal v] have see i | 18 |
|
| 4 | [vb mod] have see i | 18 |
|
| 5 | must [verb] see i | 9 |
|
| 6 | must have see i | 7 |
|
