| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] on [noun] | 2157 |
|
| 2 | must [be] [verb] on | 278 |
|
| 3 | must [be] [verb] [noun] | 122 |
|
| 4 | must [verb] on [noun] | 47 |
|
| 5 | must [be] on [noun] | 18 |
|
