| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] question [conj] have been [v-ing] | 6 |
|
| 2 | [art] question [conj] have been [v-ing] | 6 |
|
| 3 | question [conj] have been [v-ing] [pers pn] | 5 |
|
| 4 | question [conj] have been [v-ing] [pron] | 5 |
|
