| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] a [noun] | 54030 |
|
| 2 | when [pron] [verb] [noun] | 674 |
|
| 3 | when [pron] [verb] a | 428 |
|
| 4 | when [verb] a [noun] | 28 |
|
