| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [verb] [pron] [vb past] | 170 |
|
| 2 | [modal v] have [verb] [pron] [vb past] | 170 |
|
| 3 | must have [verb] [pron] [verb] | 95 |
|
| 4 | must [verb] [verb] [pron] [vb past] | 40 |
|
| 5 | must have [verb] [pron] [vb past] | 40 |
|
