| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] back [prep] [noun] | 995 |
|
| 2 | [vb pp] back [prep] [noun sg] | 384 |
|
| 3 | [vb pp] [adv] [prep] time | 146 |
|
| 4 | [verb] back [prep] time | 110 |
|
| 5 | [vb pp] [adv prt] [prep] time | 76 |
|
| 6 | [vb pp] back [prep] time | 19 |
|
| 7 | [vb pp] back [prep] time | 18 |
|
