| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] a question [prep] | 340 |
|
| 2 | be not a question [prep] | 104 |
|
| 3 | not [adv] a question [prep] | 78 |
|
| 4 | be not [adv] a question | 71 |
|
