| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [adv] | 12592 |
|
| 2 | [Wh pn] have been [vb pp] | 2343 |
|
| 3 | [Wh pn] have [vb pp] [adv] | 1726 |
|
| 4 | [Wh pn] have been [adv] | 534 |
|
