| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [modal v] [be] [noun prp] | 26 |
|
| 2 | [vb past] [pron] [vb mod] [be] [noun prp] | 26 |
|
| 3 | [vb past] [pron] must [be] [noun] | 18 |
|
| 4 | [verb] [pron] must [be] [noun prp] | 16 |
|
| 5 | [vb past] [pron] must [be] [noun prp] | 7 |
|
