| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after [adj] years | 1853 |
|
| 2 | after [num] years | 1681 |
|
| 3 | [prep] seven years | 495 |
|
| 4 | after seven [noun] | 102 |
|
| 5 | after seven [noun pl] | 99 |
|
| 6 | after seven year | 47 |
|
| 7 | after seven years | 46 |
|
