| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | twenty year ['s] [noun sg] | 39 |
|
| 2 | twenty year ' [noun] | 38 |
|
| 3 | twenty years ['s] [noun] | 38 |
|
| 4 | twenty year ['s] time | 13 |
|
| 5 | twenty year ['s] time | 13 |
|
| 6 | twenty year ['s] worth | 6 |
|
| 7 | twenty year ['s] worth | 6 |
|
