| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] back [prep] [noun] | 763 |
|
| 2 | [to-vb] back [prep] [noun sg] | 350 |
|
| 3 | [verb] back [prep] time | 110 |
|
| 4 | [to-vb] [adv] [prep] time | 64 |
|
| 5 | [to-vb] back [prep] time | 14 |
|
