| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [subord] a [noun] | 328 |
|
| 2 | question [prep] a [noun] | 189 |
|
| 3 | question [prep] [subord] [noun] | 85 |
|
| 4 | question [prep] [subord] a | 35 |
|
| 5 | question [subord] a [noun] | 24 |
|
