| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [be] a [noun] | 819 |
|
| 2 | [modal v] have [be] a [noun] | 819 |
|
| 3 | must have [be] [art] [noun] | 279 |
|
| 4 | must have [be] [art] [noun] | 279 |
|
| 5 | must have [be] a [noun] | 203 |
|
| 6 | must [verb] [be] a [noun] | 184 |
|
| 7 | must have [be] a [noun] | 181 |
|
