| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] that [subord] | 41 |
|
| 2 | it is [adv] [verb] that [subord] | 39 |
|
| 3 | it is often [verb] that [subord] | 7 |
|
| 4 | [pron] is often [verb] that [subord] | 7 |
|
| 5 | it is often [verb] [conj] [subord] | 7 |
|
| 6 | it be often [verb] that [subord] | 7 |
|
| 7 | [pers pn] is often [verb] that [subord] | 7 |
|
| 8 | it is often [verb] that [subord] | 7 |
|
| 9 | it [is] often [verb] that [subord] | 7 |
|
| 10 | it is often [verb] that [conj] | 7 |
|
| 11 | it [be] often [verb] that [subord] | 7 |
|
