| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] [prep] a | 12691 |
|
| 2 | [adv] [vb pp] back [prep] | 506 |
|
| 3 | [vb pp] back [prep] a | 220 |
|
| 4 | [adv] back [prep] a | 50 |
|
| 5 | [adv] [vb pp] back a | 5 |
|
