| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] a [noun sg] [prep] | 6591 |
|
| 2 | back [prep] a [noun sg] [prep] | 281 |
|
| 3 | [vb past] back [prep] a [noun sg] | 177 |
|
| 4 | [vb past] back [prep] [noun sg] [prep] | 91 |
|
| 5 | [vb past] back a [noun sg] [prep] | 37 |
|
