| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] [vb infin] [conj] | 352 |
|
| 2 | must [adv] [vb infin] be | 195 |
|
| 3 | [adv] [vb infin] be [conj] | 180 |
|
| 4 | must [vb infin] be [conj] | 41 |
|
| 5 | must [adv] be [conj] | 12 |
|
