| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it often [verb] that [art] | 16 |
|
| 2 | it often [verb] that [art] | 16 |
|
| 3 | it often [verb] that the | 12 |
|
| 4 | it often [verb] that the | 12 |
|
| 5 | it often [verb] that [pron] | 5 |
|
| 6 | [conj] it often [verb] that | 5 |
|
| 7 | it be often [verb] that | 163 |
|
| 8 | it [be] often [verb] that | 163 |
|
| 9 | it [is] often [verb] that | 154 |
|
| 10 | it is often [verb] that | 150 |
|
| 11 | it was often [verb] that | 9 |
|
| 12 | it [was/were] often [verb] that | 9 |
|
