| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [verb] been [num] | 76 |
|
| 2 | it [verb] been [num] year | 39 |
|
| 3 | it [vb mod] [verb] [num] year | 30 |
|
| 4 | [vb mod] [verb] been [num] year | 23 |
|
