| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years which | 94 |
|
| 2 | [num] years which | 62 |
|
| 3 | [adj] years which | 22 |
|
| 4 | recent years which | 10 |
|
| 5 | recent years which | 10 |
|
| 6 | two years which | 7 |
|
| 7 | two years which | 7 |
|
| 8 | [det] years which | 7 |
|
| 9 | six years which | 6 |
|
| 10 | five years which | 6 |
|
| 11 | six years which | 6 |
|
| 12 | three years which | 6 |
|
| 13 | three years which | 6 |
|
| 14 | five years which | 6 |
|
| 15 | four years which | 5 |
|
| 16 | four years which | 5 |
|
