| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a | 27362 |
|
| 2 | up [prep] a | 6731 |
|
| 3 | [v-ing] up [prep] | 6347 |
|
| 4 | [v-ing] up a | 1588 |
|
