| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] several years ['s] [noun] | 14 |
|
| 2 | [prep] several years ['s] [noun] | 14 |
|
| 3 | of several years ['s] [noun] | 7 |
|
| 4 | of several years ['s] [noun] | 7 |
|
| 5 | [verb] several years ['s] [noun] | 5 |
|
| 6 | several years ['s] [noun sg] [noun] | 5 |
|
| 7 | several years ['s] [noun] [noun] | 5 |
|
| 8 | several years ['s] [noun] [prep] | 6 |
|
| 9 | several years ['s] [noun] [prep] | 6 |
|
| 10 | several years ['s] [noun] [noun] | 5 |
|
| 11 | several years ['s] [noun] [noun sg] | 5 |
|
