| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [subord] a [noun sg] | 374 |
|
| 2 | [prep] a invisible [noun sg] | 57 |
|
| 3 | [subord] a invisible [noun sg] | 8 |
|
| 4 | [prep] [subord] a invisible | 5 |
|
