| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [verb] a [noun sg] | 12423 |
|
| 2 | when [verb] a [noun sg] | 493 |
|
| 3 | [prep] when [verb] a | 14 |
|
| 4 | [prep] when [verb] [noun sg] | 5 |
|
| 5 | [prep] when a [noun sg] | 5 |
|
