| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] have [verb] a | 938 |
|
| 2 | [noun] must have [verb] [art] | 255 |
|
| 3 | [noun] must have [verb] [art] | 255 |
|
| 4 | [noun] must [verb] [verb] a | 113 |
|
| 5 | [noun] must have [verb] a | 111 |
|
