| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [conj] [pron] [be] [noun] | 289 |
|
| 2 | [conj] [pron] must [be] [noun] | 78 |
|
| 3 | [vb pp] [conj] [pron] must [be] | 47 |
|
