| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [modal v] [be] | 51702 |
|
| 2 | [noun pl] [vb mod] [be] | 51702 |
|
| 3 | [noun] must [be] | 10998 |
|
| 4 | [noun pl] must [be] | 3262 |
|
| 5 | [noun pl] must [be] | 3261 |
|
