| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] twenty years ' [noun] | 19 |
|
| 2 | [prep] twenty years ' [noun] | 19 |
|
| 3 | in twenty years ' [noun] | 9 |
|
| 4 | in twenty years ' [noun] | 9 |
|
| 5 | [adv] twenty years ' [noun] | 7 |
|
| 6 | [adv] twenty years ' [noun] | 6 |
|
| 7 | of twenty years ' [noun] | 5 |
|
| 8 | of twenty years ' [noun] | 5 |
|
| 9 | twenty [adj] years ' [noun] | 7 |
|
| 10 | twenty [num] years ' [noun] | 6 |
|
| 11 | twenty years ' [noun] [prep] | 14 |
|
| 12 | twenty years ' [noun] [prep] | 14 |
|
| 13 | twenty years ' [noun] of | 5 |
|
| 14 | twenty years ' [noun] of | 5 |
|
