| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [verb] back | 2044 |
|
| 2 | [vb pp] i [verb] | 1454 |
|
| 3 | [vb pp] [verb] back | 497 |
|
| 4 | [vb pp] i back | 29 |
|
