| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | question of [noun sg] | 2020 |
|
| 2 | question of [subord] | 457 |
|
| 3 | of [subord] [noun sg] | 87 |
|
| 4 | question [subord] [noun sg] | 35 |
|
