| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] up [prep] | 25 |
|
| 2 | have been [v-ing] up to | 6 |
|
| 3 | have been [v-ing] up to | 6 |
|
| 4 | have been [v-ing] up in | 5 |
|
| 5 | have been [v-ing] up in | 5 |
|
