| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] several years [subord] [pers pn] | 8 |
|
| 2 | for several year [subord] [pers pn] | 8 |
|
| 3 | [prep] several year [subord] [pers pn] | 8 |
|
