| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [modal v] [be] [verb] to | 191 |
|
| 2 | [verb] [modal v] [be] leave [prep] | 10 |
|
| 3 | [verb] [modal v] [be] leave [prep] | 10 |
|
| 4 | [verb] [modal v] [be] leave to | 7 |
|
