| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it is [verb] that [art] | 13 |
|
| 2 | [Wh det] it is [vb pp] that [art] | 13 |
|
| 3 | which it is [verb] that [art] | 12 |
|
| 4 | [Wh det] it is [verb] that the | 10 |
|
