| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [noun] | 141912 |
|
| 2 | when a [noun] | 3250 |
|
| 3 | when a [noun sg] | 3107 |
|
| 4 | when [noun sg] [noun] | 1182 |
|
