| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | she [modal v] [vb infin] back the | 5 |
|
| 2 | she [vb mod] [verb] back the | 5 |
|
| 3 | she [modal v] [verb] back the | 5 |
|
| 4 | she could [verb] back the | 5 |
|
| 5 | she could [verb] back the | 5 |
|
