| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] previous | 10 |
|
| 2 | [v-ing] back [prep] previous | 8 |
|
| 3 | back [prep] [art] previous | 30 |
|
| 4 | back [prep] [art] previous | 30 |
|
| 5 | back [prep] the previous | 24 |
|
| 6 | back [prep] the previous | 24 |
|
| 7 | back [prep] [pos pn] previous | 10 |
|
| 8 | back [prep] [pron] previous | 10 |
|
| 9 | back [prep] a previous | 6 |
|
| 10 | back [prep] a previous | 6 |
|
| 11 | back [prep] previous [noun] | 10 |
|
| 12 | back [prep] previous [noun pl] | 7 |
|
