| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [art] [adj] | 25 |
|
| 2 | have been [v-ing] for the [adj] | 15 |
|
| 3 | have been [v-ing] for [art] past | 8 |
|
| 4 | have been [v-ing] for a [adj] | 8 |
|
