| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] have been [adv] a | 75 |
|
| 2 | [ex0] have been a few | 35 |
|
| 3 | have been [adv] a few | 35 |
|
| 4 | [ex0] have been [adv] few | 25 |
|
