| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] [verb] that [pron] | 324 |
|
| 2 | it be often [verb] [conj] [pron] | 26 |
|
| 3 | it be often [verb] that [pron] | 25 |
|
| 4 | it [be] often [verb] that [pron] | 25 |
|
| 5 | [pers pn] be often [verb] that [pron] | 25 |
|
| 6 | it be often [verb] that [pron] | 25 |
|
| 7 | it be often [verb] [that] [pron] | 25 |
|
| 8 | [pron] be often [verb] that [pron] | 25 |
|
