| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [adj] [noun sg] | 16166 |
|
| 2 | back [prep] [art] [adj] [noun sg] | 2238 |
|
| 3 | back [prep] [art] [adj] [noun sg] | 2238 |
|
| 4 | back [prep] a [adj] [noun sg] | 528 |
|
| 5 | back [prep] a [adj] [noun] | 475 |
|
