| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] for a [adj -er] [adj] | 7 |
|
| 2 | been [vb pp] for a further [adj] | 7 |
|
| 3 | been [vb pp] for a [adj -er] [num] | 6 |
|
| 4 | been extended for a [adj -er] [adj] | 5 |
|
