| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been for [adj] years | 12 |
|
| 2 | had be for [adj] years | 12 |
|
| 3 | had [been] for [adj] years | 12 |
|
| 4 | had [be] for [det] years | 10 |
|
| 5 | had [be] for many years | 7 |
|
| 6 | had [be] for many years | 7 |
|
