| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] to be [vb pp] | 203 |
|
| 2 | [vb mod] be [verb] to be [vb pp] | 203 |
|
| 3 | must be [verb] to be [verb] | 15 |
|
| 4 | must be [verb] to [be] [vb pp] | 10 |
|
| 5 | must be [verb] [prep] be [vb pp] | 10 |
|
| 6 | must be [verb] to [be] [vb pp] | 10 |
|
| 7 | must be [verb] to be [vb pp] | 10 |
|
| 8 | must be [verb] to be [vb pp] | 10 |
|
| 9 | must be [verb] to be [vb pp] | 10 |
|
| 10 | must be [verb] [prep] be [vb pp] | 10 |
|
| 11 | must [be] [verb] to be [vb pp] | 10 |
|
| 12 | must be [verb] to be [vb pp] | 10 |
|
| 13 | must [be] [verb] to be [vb pp] | 10 |
|
