| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a [adj] | 10575 |
|
| 2 | back [prep] a [adj] | 574 |
|
| 3 | [vb past] back [prep] [adj] | 451 |
|
| 4 | [vb past] back [prep] a | 315 |
|
| 5 | [vb past] back a [adj] | 59 |
|
