| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not be left to | 26 |
|
| 2 | [vb mod] not be left to | 26 |
|
| 3 | should not be left to | 9 |
|
| 4 | should not be left to | 9 |
|
| 5 | can not be left to | 7 |
|
| 6 | can not be left to | 7 |
|
| 7 | must not be left to | 5 |
|
| 8 | must not be left to | 5 |
|
| 9 | not be left [adv] to | 6 |
|
| 10 | not be left [adv] to | 6 |
|
| 11 | not be left to [art] | 14 |
|
| 12 | not be left to [art] | 14 |
|
| 13 | not be left to the | 13 |
|
| 14 | not be left to the | 13 |
|
| 15 | not be left to [noun] | 10 |
|
| 16 | not be left to [noun pl] | 5 |
|
