| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] to be [adv] | 143 |
|
| 2 | [vb mod] [be] [verb] to be [adv] | 143 |
|
| 3 | must [be] [verb] [prep] be [adv] | 9 |
|
| 4 | must [be] [verb] to be [adv] | 9 |
|
| 5 | must [be] [verb] to be [adv] | 9 |
|
| 6 | must [be] [verb] to be [adv] | 9 |
|
| 7 | must [be] [verb] to [be] [adv] | 9 |
|
| 8 | must [be] [verb] [prep] be [adv] | 9 |
|
| 9 | must [be] [verb] to be [adv] | 9 |
|
| 10 | must [be] [verb] to [be] [adv] | 9 |
|
