| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is often [verb] that [pron] | 22 |
|
| 2 | it is often [vb pp] that [pron] | 22 |
|
| 3 | it is often [verb] that [pers pn] | 12 |
|
| 4 | it is often [verb] that [ex0] | 6 |
|
| 5 | it is often [verb] that there | 6 |
|
| 6 | it is often [verb] that there | 6 |
|
