| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] previous | 30 |
|
| 2 | back [prep] the previous | 24 |
|
| 3 | back [prep] the previous | 24 |
|
| 4 | back to [art] previous | 22 |
|
| 5 | back [prep] a previous | 6 |
|
| 6 | back [prep] a previous | 6 |
|
