| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be left to | 135 |
|
| 2 | [modal v] [not/n't] be left | 114 |
|
| 3 | [not/n't] be left to | 28 |
|
| 4 | [modal v] [not/n't] be to | 28 |
|
