| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be to be | 24 |
|
| 2 | [modal v] be to be | 24 |
|
| 3 | must be to be | 9 |
|
| 4 | must be to [be] | 9 |
|
| 5 | must [be] to be | 9 |
|
| 6 | must be [prep] be | 9 |
|
| 7 | must be to be | 9 |
|
| 8 | must [be] to be | 9 |
|
| 9 | must be [prep] be | 9 |
|
| 10 | must be to be | 9 |
|
| 11 | must be to be | 9 |
|
| 12 | must be to [be] | 9 |
|
