| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] [modal v] be | 414 |
|
| 2 | [adv] [conj] [vb mod] be | 414 |
|
| 3 | [adv] [conj] must be | 15 |
|
| 4 | [adv] [conj] must [be] | 15 |
|
| 5 | [adv] [conj] must be | 15 |
|
| 6 | [adv] [conj] must [be] | 15 |
|
