| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] back [prep] [noun] | 1285 |
|
| 2 | [noun sg] [adv] at [noun] | 859 |
|
| 3 | [noun sg] [adv prt] at [noun] | 270 |
|
| 4 | [noun] back at [noun] | 64 |
|
| 5 | [noun sg] back at [noun] | 43 |
|
