| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after [adj] years | 1853 |
|
| 2 | after [num] years | 1681 |
|
| 3 | [prep] three years | 1472 |
|
| 4 | after three [noun] | 477 |
|
| 5 | after three [noun pl] | 464 |
|
| 6 | after three year | 146 |
|
| 7 | after three years | 146 |
|
