| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [num ord] year | 12 |
|
| 2 | when [pers pn] [verb] [num ord] year | 12 |
|
| 3 | [conj] it [verb] [num ord] year | 12 |
|
| 4 | when it [verb] [num ord] [noun] | 10 |
|
| 5 | when it [verb] [adj] year | 6 |
|
| 6 | when it [verb] [num ord] year | 5 |
|
