| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [adj] years ['s] [noun] | 168 |
|
| 2 | [prep] 20 years ['s] [noun] | 29 |
|
| 3 | in 20 [noun pl] ['s] [noun] | 6 |
|
| 4 | in 20 [noun] ['s] [noun] | 6 |
|
| 5 | in 20 year ['s] [noun] | 5 |
|
| 6 | in 20 years [unc] [noun] | 5 |
|
