| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [prep] [art] [noun] | 34637 |
|
| 2 | must [be] [vb pp] [prep] [art] | 2033 |
|
| 3 | must [be] [vb pp] [prep] [noun] | 1127 |
|
| 4 | must [be] [prep] [art] [noun] | 256 |
|
| 5 | must [be] [vb pp] [art] [noun] | 80 |
|
