| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] | 465207 |
|
| 2 | [subord] a [noun sg] | 27208 |
|
| 3 | [subord] [prep] [noun sg] | 9820 |
|
| 4 | [subord] [prep] a | 4991 |
|
