| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for [num] | 2561 |
|
| 2 | back [prep] [num] | 1142 |
|
| 3 | [adv prt] for [num] | 925 |
|
| 4 | back for [adj] | 180 |
|
| 5 | back for [num] | 34 |
|
