| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] have [verb] a | 1806 |
|
| 2 | [pron] must have [verb] [art] | 402 |
|
| 3 | [pron] must have [verb] [art] | 402 |
|
| 4 | [pron] must have [verb] a | 231 |
|
| 5 | [pron] must [verb] [verb] a | 217 |
|
