| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been [adj] for years | 6 |
|
| 2 | [noun sg] had been [adj] for years | 5 |
|
| 3 | had been [adj] for [adj] years | 46 |
|
| 4 | had been [adj] for [num] years | 33 |
|
| 5 | had been [adj] for [det] years | 13 |
|
| 6 | had been [adj] for several years | 5 |
|
| 7 | had been [adj] for several years | 5 |
|
