| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] have been [verb] [prep] a | 74 |
|
| 2 | [vb pp] have been [vb pp] [prep] a | 72 |
|
| 3 | [vb pp] to have been [verb] [prep] a | 59 |
|
| 4 | [vb pp] have been [verb] by a | 27 |
|
| 5 | [vb pp] have been [verb] by a | 27 |
|
| 6 | said have been [verb] [prep] a | 17 |
|
| 7 | thought have been [verb] [prep] a | 13 |
|
| 8 | [vb pp] have been [verb] as a | 12 |
|
| 9 | [vb pp] have been [verb] as a | 12 |
|
| 10 | [vb pp] have been [verb] in a | 8 |
|
| 11 | [vb pp] have been [verb] in a | 8 |
|
| 12 | [vb pp] have been caused [prep] a | 7 |
|
| 13 | [vb pp] have been cause [prep] a | 7 |
|
| 14 | [vb pp] has been [verb] [prep] a | 7 |
|
| 15 | [vb pp] had been [verb] [prep] a | 7 |
|
| 16 | believed have been [verb] [prep] a | 6 |
|
| 17 | reported have been [verb] [prep] a | 6 |
|
