| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] back [prep] [noun] | 1812 |
|
| 2 | [noun] back [prep] [noun] | 1812 |
|
| 3 | [noun] [adv] for [noun] | 1544 |
|
| 4 | [noun] [adv prt] for [noun] | 473 |
|
| 5 | [noun] back for [noun] | 30 |
|
| 6 | [noun] back for [noun] | 30 |
|
