| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [conj] [verb] | 61 |
|
| 2 | [adv] in [conj] [verb] | 47 |
|
| 3 | [adv prt] in [conj] [verb] | 45 |
|
| 4 | back in [conj] [verb] | 30 |
|
