| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun] [prep] [adj] years | 311 |
|
| 2 | of [noun] [prep] several [noun] | 77 |
|
| 3 | [prep] [noun] [prep] several years | 74 |
|
| 4 | of [noun] [prep] several [noun pl] | 66 |
|
| 5 | of [noun] [prep] several years | 15 |
|
| 6 | of [noun] [prep] several year | 15 |
|
