| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] a [noun] | 5002 |
|
| 2 | must [be] a [noun] | 615 |
|
| 3 | must have [be] a | 430 |
|
| 4 | must have a [noun] | 246 |
|
| 5 | must have [be] [noun] | 121 |
|
