| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years we have | 9 |
|
| 2 | for [num] years we have | 8 |
|
| 3 | for [num] years we have | 8 |
|
| 4 | [prep] [num] years we have | 8 |
|
