| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] up [prep] this | 17 |
|
| 2 | [be] [v-ing] up [prep] this | 17 |
|
| 3 | [am/are] [v-ing] up [prep] this | 7 |
|
| 4 | [be] [v-ing] up to this | 5 |
|
