| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] that | 1240 |
|
| 2 | it is often [vb pp] [conj] | 163 |
|
| 3 | it be often [vb pp] that | 163 |
|
| 4 | it [be] often [vb pp] that | 163 |
|
| 5 | it [is] often [vb pp] that | 154 |
|
| 6 | [pron] is often [vb pp] that | 151 |
|
| 7 | it is often [vb pp] that | 150 |
|
| 8 | it is often [vb pp] that | 150 |
|
| 9 | it is often [vb pp] [that] | 150 |
|
| 10 | [pers pn] is often [vb pp] that | 150 |
|
| 11 | it is often [verb] that | 150 |
|
