| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [v-ing] for the [noun pl] | 14 |
|
| 2 | have [been] [v-ing] for the [noun pl] | 14 |
|
| 3 | [vb past] [been] [v-ing] for the [noun pl] | 5 |
|
| 4 | had [been] [v-ing] for the [noun pl] | 5 |
|
