| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] [art] | 500 |
|
| 2 | been [v-ing] for [art] | 435 |
|
| 3 | has been [v-ing] for | 270 |
|
| 4 | has been for [art] | 39 |
|
