| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] for [det] [noun] | 1491 |
|
| 2 | must [be] [vb pp] for [noun] | 49 |
|
| 3 | must [be] [vb pp] for [det] | 48 |
|
| 4 | must [be] [vb pp] [det] [noun] | 33 |
|
