| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [verb] that [adj] | 97 |
|
| 2 | it is [adv] [verb] that [adj] | 94 |
|
| 3 | it is often [verb] that [adj] | 26 |
|
| 4 | it is often [verb] [conj] [adj] | 13 |
|
| 5 | it [be] often [verb] that [adj] | 12 |
|
| 6 | it be often [verb] that [adj] | 12 |
|
| 7 | it [is] often [verb] that [adj] | 11 |
|
| 8 | it is often [verb] [that] [adj] | 10 |
|
| 9 | it is often [verb] that [adj] | 10 |
|
| 10 | [pron] is often [verb] that [adj] | 10 |
|
| 11 | it is often [verb] that [adj] | 10 |
|
