| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | question that [verb] been [v-ing] | 7 |
|
| 2 | question [that] [verb] been [v-ing] | 7 |
|
| 3 | question [conj] have been [v-ing] | 7 |
|
| 4 | question that [verb] been [v-ing] | 7 |
|
| 5 | question [conj] [vb past] been [v-ing] | 5 |
|
| 6 | question [conj] had been [v-ing] | 5 |
|
