| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] an | 82 |
|
| 2 | had be [v-ing] an | 43 |
|
| 3 | had be [vb pp] an | 37 |
|
| 4 | had be have an | 15 |
|
| 5 | had be having an | 15 |
|
| 6 | had be give an | 14 |
|
| 7 | had be given an | 14 |
|
| 8 | had be made an | 5 |
|
| 9 | had be make an | 5 |
|
