| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [det] [noun] | 874 |
|
| 2 | back [prep] a [adj] [noun] | 565 |
|
| 3 | [adv prt] [prep] a [det] [noun] | 321 |
|
| 4 | back [prep] [art] [det] [noun] | 95 |
|
| 5 | back [prep] a [det] [noun] | 27 |
|
