| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] on [art] | 35 |
|
| 2 | have been [v-ing] on the | 25 |
|
| 3 | have been working on [art] | 16 |
|
| 4 | have been [v-ing] on a | 10 |
|
