| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] must have [be] | 119 |
|
| 2 | must have [be] [noun] | 118 |
|
| 3 | [det] must [be] [noun] | 40 |
|
| 4 | [det] have [be] [noun] | 5 |
|
