| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] a [noun] | 84968 |
|
| 2 | [subord] a [noun] | 28253 |
|
| 3 | after [art] [noun] | 5278 |
|
| 4 | after a [noun] | 1276 |
|
