| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] be [noun] [noun] | 437 |
|
| 2 | [pron] [vb mod] be [noun] [noun] | 437 |
|
| 3 | [pron] must [be] [noun] [noun] | 71 |
|
| 4 | [pron] must be [noun] [noun] | 71 |
|
