| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for [noun sg] | 5842 |
|
| 2 | back [prep] [noun sg] | 4590 |
|
| 3 | back [prep] [noun sg] | 4590 |
|
| 4 | back for [noun] | 167 |
|
| 5 | back for [noun sg] | 74 |
|
