| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [prep] [adj] years | 825 |
|
| 2 | [conj] [prep] several [noun] | 169 |
|
| 3 | [conj] [prep] several [noun pl] | 164 |
|
| 4 | [conj] [prep] [det] years | 148 |
|
| 5 | [conj] [prep] several years | 25 |
|
| 6 | [conj] [prep] several years | 25 |
|
| 7 | [conj] [prep] several year | 25 |
|
