| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] be [verb] to | 1338 |
|
| 2 | [modal v] be [verb] to [be] | 1088 |
|
| 3 | [modal v] [adv] [verb] to [be] | 685 |
|
| 4 | [adv] be [verb] to [be] | 444 |
|
