| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have been a [det] | 22 |
|
| 2 | there have been a [det] | 22 |
|
| 3 | [ex0] have been a [det] | 22 |
|
| 4 | [pron] have been a few | 22 |
|
