| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [prep] a [noun sg] | 226 |
|
| 2 | question [prep] a [noun sg] | 181 |
|
| 3 | of question [prep] [noun sg] | 38 |
|
| 4 | of question [prep] a | 9 |
|
