| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] safely be left | 8 |
|
| 2 | [vb mod] safely be left | 8 |
|
| 3 | can safely be left | 6 |
|
| 4 | can safely be left | 6 |
|
| 5 | safely be left [prep] | 5 |
|
| 6 | safely be left [prep] | 5 |
|
