| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] for [art] | 68 |
|
| 2 | [Wh pn] has been [v-ing] [art] | 35 |
|
| 3 | [Wh pn] has been [v-ing] for | 23 |
|
