| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back for [art] [num ord] [noun] [prep] | 8 |
|
| 2 | back for [art] [num ord] [noun] [prep] | 8 |
|
| 3 | back for [art] [num ord] [noun sg] [prep] | 7 |
|
| 4 | back for a [num ord] [noun] [prep] | 6 |
|
