| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have [verb] [prep] [art] | 2510 |
|
| 2 | must [verb] [verb] [prep] [art] | 267 |
|
| 3 | must [vb infin] [verb] [prep] [art] | 267 |
|
| 4 | must have [verb] [prep] [art] | 225 |
|
