| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back by [art] [noun pl] | 12 |
|
| 2 | [vb pp] back by [art] [noun pl] | 9 |
|
| 3 | back by [art] [noun] [noun pl] | 6 |
|
| 4 | back by [art] [noun sg] [noun pl] | 5 |
|
| 5 | back by [art] [noun pl] [prep] | 6 |
|
| 6 | back by [art] [noun pl] [prep] | 6 |
|
