| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] on [art] [noun] | 2244 |
|
| 2 | must [be] [vb pp] on [art] | 108 |
|
| 3 | must [be] [vb pp] [art] [noun] | 80 |
|
| 4 | must [be] [vb pp] on [noun] | 57 |
|
| 5 | must [be] on [art] [noun] | 41 |
|
