| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [num] years [conj] [pers pn] | 13 |
|
| 2 | to [num] years [subord] [pers pn] | 10 |
|
| 3 | to [num] years [pers pn] [modal v] | 5 |
|
| 4 | to [num] years [pers pn] [vb mod] | 5 |
|
