| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] we [vb base] a | 1508 |
|
| 2 | when [pron] [vb base] a | 929 |
|
| 3 | when we [vb base] [art] | 409 |
|
| 4 | when we [verb] a | 220 |
|
