| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [modal v] [be] | 4825 |
|
| 2 | [verb] [be] to | 1307 |
|
| 3 | [modal v] [be] to | 431 |
|
| 4 | [verb] [modal v] to | 46 |
|
