| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years [pers pn] | 658 |
|
| 2 | [prep] [num] years [pers pn] | 367 |
|
| 3 | [prep] twenty [noun] [pers pn] | 25 |
|
| 4 | [prep] twenty [noun pl] [pers pn] | 25 |
|
| 5 | [prep] twenty years [pron] | 15 |
|
| 6 | [prep] twenty year [pers pn] | 11 |
|
| 7 | [prep] twenty years [pers pn] | 11 |
|
