| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] question [is] | 549 |
|
| 2 | [adj] [to-vb] [is] | 267 |
|
| 3 | [adj] question [to-vb] | 117 |
|
| 4 | question [to-vb] [is] | 20 |
|
