| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after [adj] years [prep] [noun] | 443 |
|
| 2 | after [num] years [prep] [noun] | 386 |
|
| 3 | [prep] twenty years [prep] [noun] | 26 |
|
| 4 | [prep] twenty years [prep] [noun] | 26 |
|
| 5 | after twenty [noun] [prep] [noun] | 8 |
|
| 6 | after twenty [noun pl] [prep] [noun] | 8 |
|
| 7 | after twenty years [prep] [noun] | 7 |
|
| 8 | after twenty year [prep] [noun] | 7 |
|
| 9 | after twenty years [prep] [noun] | 7 |
|
