| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] back [prep] | 1972 |
|
| 2 | [adv] or [verb] [prep] | 127 |
|
| 3 | or [verb] back [prep] | 76 |
|
| 4 | [adv] or [verb] back | 9 |
|
