| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had not been [verb] a | 26 |
|
| 2 | had not [been] [vb pp] a | 19 |
|
| 3 | had not [been] [verb] a | 16 |
|
| 4 | had n't [been] [verb] a | 10 |
|
| 5 | had not [been] [v-ing] a | 6 |
|
