| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | three or four years time | 5 |
|
| 2 | [adj] or four years time | 5 |
|
| 3 | three or four years time | 5 |
|
| 4 | [num] or four years time | 5 |
|
| 5 | [adj] or four years time | 5 |
|
