| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] have been [verb] | 1612 |
|
| 2 | [adv] [pron] have [verb] an | 173 |
|
| 3 | [pron] have been [verb] an | 117 |
|
| 4 | [adv] [pron] have been an | 39 |
|
| 5 | [adv] have been [verb] an | 6 |
|
