| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [noun] | 21204 |
|
| 2 | [prep] a [noun] when | 1856 |
|
| 3 | [adv] [prep] [noun] when | 129 |
|
| 4 | [adv] a [noun] when | 80 |
|
