| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he had been able [verb] [adj] | 8 |
|
| 2 | he had [be] able [to-vb] [adj] | 8 |
|
| 3 | he had be able [verb] [adj] | 8 |
|
| 4 | he had [been] able [verb] [adj] | 8 |
|
| 5 | he had [be] able [verb] [det] | 5 |
|
