| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [noun] which | 66 |
|
| 2 | it is [noun sg] [Wh det] | 49 |
|
| 3 | it is [noun pl] [Wh det] | 9 |
|
| 4 | it is [noun prp] [Wh det] | 8 |
|
