| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i had [be] able [verb] a | 6 |
|
| 2 | i had [been] able [verb] a | 6 |
|
| 3 | i had been able [verb] a | 6 |
|
| 4 | i had [be] able [verb] a | 6 |
|
| 5 | i had [be] able [to-vb] a | 6 |
|
| 6 | i had be able [verb] a | 6 |
|
