| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [noun] [conj] | 1054 |
|
| 2 | back [prep] [noun] [subord] | 194 |
|
| 3 | [adv] [prep] [noun] before | 107 |
|
| 4 | [adv prt] [prep] [noun] before | 74 |
|
| 5 | back [prep] [noun] before | 12 |
|
| 6 | back [prep] [noun] before | 12 |
|
| 7 | back [prep] [noun] before | 12 |
|
