| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [prep] a [noun] | 554 |
|
| 2 | [verb] [adv] [prep] a time | 122 |
|
| 3 | [verb] back [prep] [art] time | 61 |
|
| 4 | [verb] back [prep] [art] time | 61 |
|
| 5 | [verb] back [prep] a time | 13 |
|
