| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been a few | 58 |
|
| 2 | have been a [det] | 25 |
|
| 3 | had been a [det] | 16 |
|
| 4 | have been a [det] | 10 |
|
| 5 | 's been a [det] | 6 |
|
