| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for [n mass] | 327 |
|
| 2 | back for [noun] | 167 |
|
| 3 | back [prep] [n mass] | 88 |
|
| 4 | back [prep] [n mass] | 88 |
|
| 5 | [adv prt] for [n mass] | 71 |
|
| 6 | back for [n mass] | 7 |
|
| 7 | back for [n mass] | 7 |
|
