| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [art] | 500 |
|
| 2 | been [v-ing] on [art] | 254 |
|
| 3 | has been on [art] | 133 |
|
| 4 | has been [v-ing] on | 91 |
|
