| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adj] [prep] several [noun] | 10 |
|
| 2 | had been [adj] [prep] several [noun] | 10 |
|
| 3 | had been [adj] [prep] several [noun pl] | 10 |
|
| 4 | had been [adj] for several [noun] | 8 |
|
| 5 | had been [adj] for several [noun] | 8 |
|
| 6 | had been [adj] [prep] several years | 5 |
|
| 7 | had been [adj] [prep] several year | 5 |
|
