| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it be [vb pp] [adj] year | 10 |
|
| 2 | when it was [verb] [adj] year | 9 |
|
| 3 | when it be [verb] [adj] years | 6 |
|
| 4 | when it be [verb] [num] year | 5 |
|
