| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adj] years [pers pn] | 296 |
|
| 2 | [prep] twenty years [pers pn] | 11 |
|
| 3 | for twenty years [pron] | 10 |
|
| 4 | for twenty [noun pl] [pers pn] | 9 |
|
| 5 | for twenty [noun] [pers pn] | 9 |
|
| 6 | for twenty year [pers pn] | 8 |
|
