| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] of when | 49 |
|
| 2 | the [noun sg] of when | 42 |
|
| 3 | the question of when | 14 |
|
| 4 | the question of when | 14 |
|
| 5 | the [noun pl] of when | 6 |
|
