| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [verb] to be [adv] | 6 |
|
| 2 | not been [vb pp] to be [adv] | 6 |
|
| 3 | not been [verb] to be [adv] | 6 |
|
| 4 | not been [verb] to be [adv] | 6 |
|
