| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years in | 1979 |
|
| 2 | twenty years [prep] | 254 |
|
| 3 | twenty years [prep] | 254 |
|
| 4 | twenty [noun] in | 136 |
|
| 5 | twenty [noun pl] in | 119 |
|
| 6 | twenty years in | 33 |
|
| 7 | twenty year in | 33 |
|
