| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] have been | 16595 |
|
| 2 | [conj] [pron] have an | 842 |
|
| 3 | [pron] have been an | 732 |
|
| 4 | [conj] have been an | 24 |
|
