| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] in [adj] years | 1968 |
|
| 2 | [noun] [prep] several years | 327 |
|
| 3 | [noun] [prep] several years | 327 |
|
| 4 | [noun] in several [noun] | 304 |
|
| 5 | [noun] in several [noun pl] | 280 |
|
| 6 | [noun] in [det] years | 111 |
|
| 7 | [noun] in several years | 7 |
|
| 8 | [noun] in several years | 7 |
|
| 9 | [noun] in several year | 7 |
|
