| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [vb pp] for [det] [noun pl] | 9 |
|
| 2 | not [been] [vb pp] for [det] [noun pl] | 8 |
|
| 3 | not [been] [vb pp] for [det] years | 6 |
|
