| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be left to | 57 |
|
| 2 | can be left to | 18 |
|
| 3 | will be left to | 14 |
|
| 4 | would be left to | 14 |
|
| 5 | could be left to | 11 |
|
| 6 | may be left to | 10 |
|
| 7 | must be left to | 9 |
|
