| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [vb pp] [adv] [prep] [art] | 385 |
|
| 2 | must [verb] [vb pp] [adv] [prep] [art] | 55 |
|
| 3 | must have [verb] [adv] [prep] [art] | 55 |
|
