| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [adv] be | 2734 |
|
| 2 | [vb mod] necessarily be | 106 |
|
| 3 | [modal v] necessarily be | 106 |
|
| 4 | must necessarily be | 39 |
|
| 5 | must necessarily [be] | 39 |
|
