| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [vb pp] a | 35 |
|
| 2 | they have been given a | 18 |
|
| 3 | they have been [vb pp] a | 13 |
|
| 4 | they had been [vb pp] a | 10 |
|
| 5 | they 've been [vb pp] a | 10 |
|
