| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have n't been [vb pp] in | 22 |
|
| 2 | had n't been [verb] in | 13 |
|
| 3 | has n't been [verb] in | 10 |
|
| 4 | have n't been [v-ing] in | 5 |
|
