| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [adj] years | 5101 |
|
| 2 | in several [noun] | 862 |
|
| 3 | in several [noun pl] | 805 |
|
| 4 | [prep] several years | 731 |
|
| 5 | [prep] several years | 731 |
|
| 6 | in [det] years | 251 |
|
| 7 | in several years | 12 |
|
| 8 | in several years | 12 |
|
| 9 | in several year | 12 |
|
