| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is all a [noun sg] | 27 |
|
| 2 | it is such a [noun sg] | 13 |
|
| 3 | it is [det] a matter | 11 |
|
| 4 | it is [det] a question | 7 |
|
