| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] [verb] that a | 74 |
|
| 2 | it [is] [adv] [verb] that a | 70 |
|
| 3 | it [is] often [verb] that [art] | 45 |
|
| 4 | it [is] often [verb] [conj] a | 9 |
|
| 5 | it [be] often [verb] that a | 6 |
|
| 6 | [pron] [is] often [verb] that a | 6 |
|
| 7 | it [is] often [verb] that a | 6 |
|
| 8 | it [is] often [verb] that a | 6 |
|
| 9 | [pers pn] [is] often [verb] that a | 6 |
|
