| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] to [verb] | 2147 |
|
| 2 | [adv prt] to [verb] | 689 |
|
| 3 | back [prep] [verb] | 409 |
|
| 4 | back to [verb] | 159 |
|
