| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] [det] a [noun sg] | 14 |
|
| 2 | it is [prep] [det] a [noun sg] | 12 |
|
| 3 | it is [prep] such a [noun sg] | 8 |
|
| 4 | it is [prep] all a [noun sg] | 5 |
|
