| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [adv] [prep] be | 328 |
|
| 2 | must [vb infin] [adv] [prep] [be] | 13 |
|
| 3 | must [vb infin] [adv] [prep] be | 13 |
|
| 4 | must [verb] [adv] [prep] be | 10 |
|
| 5 | must [vb infin] [adv] [prep] [be] | 10 |
|
