| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | up [prep] an [adj] | 370 |
|
| 2 | back up [prep] [adj] | 112 |
|
| 3 | back [prep] an [adj] | 11 |
|
| 4 | back up [prep] an | 10 |
|
