| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [vb pp] [pron] [det] | 216 |
|
| 2 | must have [vb pp] [pron] [adj] | 81 |
|
| 3 | must [verb] [vb pp] [pron] [det] | 27 |
|
| 4 | must have [verb] [pron] [det] | 26 |
|
