| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have been [verb] at [art] | 16 |
|
| 2 | we have been [v-ing] at [art] | 13 |
|
| 3 | we have been looking at [art] | 8 |
|
| 4 | we have been look at [art] | 8 |
|
