| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] a [noun sg] | 1483 |
|
| 2 | but [pron] [verb] a [noun sg] | 944 |
|
| 3 | but when [pron] [verb] a | 52 |
|
| 4 | but when [pron] [verb] [noun sg] | 22 |
|
