| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] i must have | 78 |
|
| 2 | [vb pp] i [modal v] have | 47 |
|
| 3 | [vb pp] [pron] must have | 22 |
|
| 4 | [vb pp] i must [vb infin] | 8 |
|
| 5 | [vb pp] i must [verb] | 8 |
|
| 6 | [vb pp] i must have | 5 |
|
